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i>=4096&&(r+=13,i>>>=13),i>=64&&(r+=7,i>>>=7),i>=8&&(r+=4,i>>>=4),i>=2&&(r+=2,i>>>=2),r+i},o.prototype._zeroBits=function(t){if(0===t)return 26;var i=t,r=0;return 0==(8191&i)&&(r+=13,i>>>=13),0==(127&i)&&(r+=7,i>>>=7),0==(15&i)&&(r+=4,i>>>=4),0==(3&i)&&(r+=2,i>>>=2),0==(1&i)&&r++,r},o.prototype.bitLength=function(){var t=this.words[this.length-1],i=this._countBits(t);return 26*(this.length-1)+i},o.prototype.zeroBits=function(){if(this.isZero())return 0;for(var t=0,i=0;i<this.length;i++){var r=this._zeroBits(this.words[i]);if(t+=r,26!==r)break}return t},o.prototype.byteLength=function(){return Math.ceil(this.bitLength()/8)},o.prototype.toTwos=function(t){return 0!==this.negative?this.abs().inotn(t).iaddn(1):this.clone()},o.prototype.fromTwos=function(t){return this.testn(t-1)?this.notn(t).iaddn(1).ineg():this.clone()},o.prototype.isNeg=function(){return 0!==this.negative},o.prototype.neg=function(){return this.clone().ineg()},o.prototype.ineg=function(){return this.isZero()||(this.negative^=1),this},o.prototype.iuor=function(t){for(;this.length<t.length;)this.words[this.length++]=0;for(var i=0;i<t.length;i++)this.words[i]=this.words[i]|t.words[i];return this.strip()},o.prototype.ior=function(t){return e(0==(this.negative|t.negative)),this.iuor(t)},o.prototype.or=function(t){return this.length>t.length?this.clone().ior(t):t.clone().ior(this)},o.prototype.uor=function(t){return this.length>t.length?this.clone().iuor(t):t.clone().iuor(this)},o.prototype.iuand=function(t){var i;i=this.length>t.length?t:this;for(var r=0;r<i.length;r++)this.words[r]=this.words[r]&t.words[r];return this.length=i.length,this.strip()},o.prototype.iand=function(t){return e(0==(this.negative|t.negative)),this.iuand(t)},o.prototype.and=function(t){return this.length>t.length?this.clone().iand(t):t.clone().iand(this)},o.prototype.uand=function(t){return this.length>t.length?this.clone().iuand(t):t.clone().iuand(this)},o.prototype.iuxor=function(t){var i,r;this.length>t.length?(i=this,r=t):(i=t,r=this);for(var e=0;e<r.length;e++)this.words[e]=i.words[e]^r.words[e];if(this!==i)for(;e<i.length;e++)this.words[e]=i.words[e];return this.length=i.length,this.strip()},o.prototype.ixor=function(t){return e(0==(this.negative|t.negative)),this.iuxor(t)},o.prototype.xor=function(t){return this.length>t.length?this.clone().ixor(t):t.clone().ixor(this)},o.prototype.uxor=function(t){return this.length>t.length?this.clone().iuxor(t):t.clone().iuxor(this)},o.prototype.inotn=function(t){e("number"==typeof t&&t>=0);var i=0|Math.ceil(t/26),r=t%26;this._expand(i),r>0&&i--;for(var n=0;n<i;n++)this.words[n]=67108863&~this.words[n];return r>0&&(this.words[n]=~this.words[n]&67108863>>26-r),this.strip()},o.prototype.notn=function(t){return this.clone().inotn(t)},o.prototype.setn=function(t,i){e("number"==typeof t&&t>=0);var r=t/26|0,n=t%26;return this._expand(r+1),this.words[r]=i?this.words[r]|1<<n:this.words[r]&~(1<<n),this.strip()},o.prototype.iadd=function(t){var i,r,e;if(0!==this.negative&&0===t.negative)return this.negative=0,i=this.isub(t),this.negative^=1,this._normSign();if(0===this.negative&&0!==t.negative)return t.negative=0,i=this.isub(t),t.negative=1,i._normSign();this.length>t.length?(r=this,e=t):(r=t,e=this);for(var n=0,o=0;o<e.length;o++)i=(0|r.words[o])+(0|e.words[o])+n,this.words[o]=67108863&i,n=i>>>26;for(;0!==n&&o<r.length;o++)i=(0|r.words[o])+n,this.words[o]=67108863&i,n=i>>>26;if(this.length=r.length,0!==n)this.words[this.length]=n,this.length++;else if(r!==this)for(;o<r.length;o++)this.words[o]=r.words[o];return this},o.prototype.add=function(t){var i;return 0!==t.negative&&0===this.negative?(t.negative=0,i=this.sub(t),t.negative^=1,i):0===t.negative&&0!==this.negative?(this.negative=0,i=t.sub(this),this.negative=1,i):this.length>t.length?this.clone().iadd(t):t.clone().iadd(this)},o.prototype.isub=function(t){if(0!==t.negative){t.negative=0;var i=this.iadd(t);return t.negative=1,i._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(t),this.negative=1,this._normSign();var r,e,n=this.cmp(t);if(0===n)return this.negative=0,this.length=1,this.words[0]=0,this;n>0?(r=this,e=t):(r=t,e=this);for(var o=0,h=0;h<e.length;h++)o=(i=(0|r.words[h])-(0|e.words[h])+o)>>26,this.words[h]=67108863&i;for(;0!==o&&h<r.length;h++)o=(i=(0|r.words[h])+o)>>26,this.words[h]=67108863&i;if(0===o&&h<r.length&&r!==this)for(;h<r.length;h++)this.words[h]=r.words[h];return this.length=Math.max(this.length,h),r!==this&&(this.negative=1),this.strip()},o.prototype.sub=function(t){return this.clone().isub(t)};var p=function(t,i,r){var e,n,o,h=t.words,s=i.words,u=r.words,a=0,l=0|h[0],f=8191&l,d=l>>>13,m=0|h[1],p=8191&m,c=m>>>13,g=0|h[2],v=8191&g,M=g>>>13,w=0|h[3],y=8191&w,_=w>>>13,b=0|h[4],k=8191&b,A=b>>>13,x=0|h[5],S=8191&x,L=x>>>13,q=0|h[6],R=8191&q,B=q>>>13,Z=0|h[7],N=8191&Z,E=Z>>>13,I=0|h[8],O=8191&I,P=I>>>13,T=0|h[9],j=8191&T,C=T>>>13,z=0|s[0],D=8191&z,U=z>>>13,$=0|s[1],V=8191&$,K=$>>>13,F=0|s[2],H=8191&F,W=F>>>13,J=0|s[3],G=8191&J,Q=J>>>13,X=0|s[4],Y=8191&X,tt=X>>>13,it=0|s[5],rt=8191&it,et=it>>>13,nt=0|s[6],ot=8191&nt,ht=nt>>>13,st=0|s[7],ut=8191&st,at=st>>>13,lt=0|s[8],ft=8191&lt,dt=lt>>>13,mt=0|s[9],pt=8191&mt,ct=mt>>>13;r.negative=t.negative^i.negative,r.length=19;var gt=(a+(e=Math.imul(f,D))|0)+((8191&(n=(n=Math.imul(f,U))+Math.imul(d,D)|0))<<13)|0;a=((o=Math.imul(d,U))+(n>>>13)|0)+(gt>>>26)|0,gt&=67108863,e=Math.imul(p,D),n=(n=Math.imul(p,U))+Math.imul(c,D)|0,o=Math.imul(c,U);var vt=(a+(e=e+Math.imul(f,V)|0)|0)+((8191&(n=(n=n+Math.imul(f,K)|0)+Math.imul(d,V)|0))<<13)|0;a=((o=o+Math.imul(d,K)|0)+(n>>>13)|0)+(vt>>>26)|0,vt&=67108863,e=Math.imul(v,D),n=(n=Math.imul(v,U))+Math.imul(M,D)|0,o=Math.imul(M,U),e=e+Math.imul(p,V)|0,n=(n=n+Math.imul(p,K)|0)+Math.imul(c,V)|0,o=o+Math.imul(c,K)|0;var Mt=(a+(e=e+Math.imul(f,H)|0)|0)+((8191&(n=(n=n+Math.imul(f,W)|0)+Math.imul(d,H)|0))<<13)|0;a=((o=o+Math.imul(d,W)|0)+(n>>>13)|0)+(Mt>>>26)|0,Mt&=67108863,e=Math.imul(y,D),n=(n=Math.imul(y,U))+Math.imul(_,D)|0,o=Math.imul(_,U),e=e+Math.imul(v,V)|0,n=(n=n+Math.imul(v,K)|0)+Math.imul(M,V)|0,o=o+Math.imul(M,K)|0,e=e+Math.imul(p,H)|0,n=(n=n+Math.imul(p,W)|0)+Math.imul(c,H)|0,o=o+Math.imul(c,W)|0;var wt=(a+(e=e+Math.imul(f,G)|0)|0)+((8191&(n=(n=n+Math.imul(f,Q)|0)+Math.imul(d,G)|0))<<13)|0;a=((o=o+Math.imul(d,Q)|0)+(n>>>13)|0)+(wt>>>26)|0,wt&=67108863,e=Math.imul(k,D),n=(n=Math.imul(k,U))+Math.imul(A,D)|0,o=Math.imul(A,U),e=e+Math.imul(y,V)|0,n=(n=n+Math.imul(y,K)|0)+Math.imul(_,V)|0,o=o+Math.imul(_,K)|0,e=e+Math.imul(v,H)|0,n=(n=n+Math.imul(v,W)|0)+Math.imul(M,H)|0,o=o+Math.imul(M,W)|0,e=e+Math.imul(p,G)|0,n=(n=n+Math.imul(p,Q)|0)+Math.imul(c,G)|0,o=o+Math.imul(c,Q)|0;var yt=(a+(e=e+Math.imul(f,Y)|0)|0)+((8191&(n=(n=n+Math.imul(f,tt)|0)+Math.imul(d,Y)|0))<<13)|0;a=((o=o+Math.imul(d,tt)|0)+(n>>>13)|0)+(yt>>>26)|0,yt&=67108863,e=Math.imul(S,D),n=(n=Math.imul(S,U))+Math.imul(L,D)|0,o=Math.imul(L,U),e=e+Math.imul(k,V)|0,n=(n=n+Math.imul(k,K)|0)+Math.imul(A,V)|0,o=o+Math.imul(A,K)|0,e=e+Math.imul(y,H)|0,n=(n=n+Math.imul(y,W)|0)+Math.imul(_,H)|0,o=o+Math.imul(_,W)|0,e=e+Math.imul(v,G)|0,n=(n=n+Math.imul(v,Q)|0)+Math.imul(M,G)|0,o=o+Math.imul(M,Q)|0,e=e+Math.imul(p,Y)|0,n=(n=n+Math.imul(p,tt)|0)+Math.imul(c,Y)|0,o=o+Math.imul(c,tt)|0;var _t=(a+(e=e+Math.imul(f,rt)|0)|0)+((8191&(n=(n=n+Math.imul(f,et)|0)+Math.imul(d,rt)|0))<<13)|0;a=((o=o+Math.imul(d,et)|0)+(n>>>13)|0)+(_t>>>26)|0,_t&=67108863,e=Math.imul(R,D),n=(n=Math.imul(R,U))+Math.imul(B,D)|0,o=Math.imul(B,U),e=e+Math.imul(S,V)|0,n=(n=n+Math.imul(S,K)|0)+Math.imul(L,V)|0,o=o+Math.imul(L,K)|0,e=e+Math.imul(k,H)|0,n=(n=n+Math.imul(k,W)|0)+Math.imul(A,H)|0,o=o+Math.imul(A,W)|0,e=e+Math.imul(y,G)|0,n=(n=n+Math.imul(y,Q)|0)+Math.imul(_,G)|0,o=o+Math.imul(_,Q)|0,e=e+Math.imul(v,Y)|0,n=(n=n+Math.imul(v,tt)|0)+Math.imul(M,Y)|0,o=o+Math.imul(M,tt)|0,e=e+Math.imul(p,rt)|0,n=(n=n+Math.imul(p,et)|0)+Math.imul(c,rt)|0,o=o+Math.imul(c,et)|0;var bt=(a+(e=e+Math.imul(f,ot)|0)|0)+((8191&(n=(n=n+Math.imul(f,ht)|0)+Math.imul(d,ot)|0))<<13)|0;a=((o=o+Math.imul(d,ht)|0)+(n>>>13)|0)+(bt>>>26)|0,bt&=67108863,e=Math.imul(N,D),n=(n=Math.imul(N,U))+Math.imul(E,D)|0,o=Math.imul(E,U),e=e+Math.imul(R,V)|0,n=(n=n+Math.imul(R,K)|0)+Math.imul(B,V)|0,o=o+Math.imul(B,K)|0,e=e+Math.imul(S,H)|0,n=(n=n+Math.imul(S,W)|0)+Math.imul(L,H)|0,o=o+Math.imul(L,W)|0,e=e+Math.imul(k,G)|0,n=(n=n+Math.imul(k,Q)|0)+Math.imul(A,G)|0,o=o+Math.imul(A,Q)|0,e=e+Math.imul(y,Y)|0,n=(n=n+Math.imul(y,tt)|0)+Math.imul(_,Y)|0,o=o+Math.imul(_,tt)|0,e=e+Math.imul(v,rt)|0,n=(n=n+Math.imul(v,et)|0)+Math.imul(M,rt)|0,o=o+Math.imul(M,et)|0,e=e+Math.imul(p,ot)|0,n=(n=n+Math.imul(p,ht)|0)+Math.imul(c,ot)|0,o=o+Math.imul(c,ht)|0;var kt=(a+(e=e+Math.imul(f,ut)|0)|0)+((8191&(n=(n=n+Math.imul(f,at)|0)+Math.imul(d,ut)|0))<<13)|0;a=((o=o+Math.imul(d,at)|0)+(n>>>13)|0)+(kt>>>26)|0,kt&=67108863,e=Math.imul(O,D),n=(n=Math.imul(O,U))+Math.imul(P,D)|0,o=Math.imul(P,U),e=e+Math.imul(N,V)|0,n=(n=n+Math.imul(N,K)|0)+Math.imul(E,V)|0,o=o+Math.imul(E,K)|0,e=e+Math.imul(R,H)|0,n=(n=n+Math.imul(R,W)|0)+Math.imul(B,H)|0,o=o+Math.imul(B,W)|0,e=e+Math.imul(S,G)|0,n=(n=n+Math.imul(S,Q)|0)+Math.imul(L,G)|0,o=o+Math.imul(L,Q)|0,e=e+Math.imul(k,Y)|0,n=(n=n+Math.imul(k,tt)|0)+Math.imul(A,Y)|0,o=o+Math.imul(A,tt)|0,e=e+Math.imul(y,rt)|0,n=(n=n+Math.imul(y,et)|0)+Math.imul(_,rt)|0,o=o+Math.imul(_,et)|0,e=e+Math.imul(v,ot)|0,n=(n=n+Math.imul(v,ht)|0)+Math.imul(M,ot)|0,o=o+Math.imul(M,ht)|0,e=e+Math.imul(p,ut)|0,n=(n=n+Math.imul(p,at)|0)+Math.imul(c,ut)|0,o=o+Math.imul(c,at)|0;var At=(a+(e=e+Math.imul(f,ft)|0)|0)+((8191&(n=(n=n+Math.imul(f,dt)|0)+Math.imul(d,ft)|0))<<13)|0;a=((o=o+Math.imul(d,dt)|0)+(n>>>13)|0)+(At>>>26)|0,At&=67108863,e=Math.imul(j,D),n=(n=Math.imul(j,U))+Math.imul(C,D)|0,o=Math.imul(C,U),e=e+Math.imul(O,V)|0,n=(n=n+Math.imul(O,K)|0)+Math.imul(P,V)|0,o=o+Math.imul(P,K)|0,e=e+Math.imul(N,H)|0,n=(n=n+Math.imul(N,W)|0)+Math.imul(E,H)|0,o=o+Math.imul(E,W)|0,e=e+Math.imul(R,G)|0,n=(n=n+Math.imul(R,Q)|0)+Math.imul(B,G)|0,o=o+Math.imul(B,Q)|0,e=e+Math.imul(S,Y)|0,n=(n=n+Math.imul(S,tt)|0)+Math.imul(L,Y)|0,o=o+Math.imul(L,tt)|0,e=e+Math.imul(k,rt)|0,n=(n=n+Math.imul(k,et)|0)+Math.imul(A,rt)|0,o=o+Math.imul(A,et)|0,e=e+Math.imul(y,ot)|0,n=(n=n+Math.imul(y,ht)|0)+Math.imul(_,ot)|0,o=o+Math.imul(_,ht)|0,e=e+Math.imul(v,ut)|0,n=(n=n+Math.imul(v,at)|0)+Math.imul(M,ut)|0,o=o+Math.imul(M,at)|0,e=e+Math.imul(p,ft)|0,n=(n=n+Math.imul(p,dt)|0)+Math.imul(c,ft)|0,o=o+Math.imul(c,dt)|0;var xt=(a+(e=e+Math.imul(f,pt)|0)|0)+((8191&(n=(n=n+Math.imul(f,ct)|0)+Math.imul(d,pt)|0))<<13)|0;a=((o=o+Math.imul(d,ct)|0)+(n>>>13)|0)+(xt>>>26)|0,xt&=67108863,e=Math.imul(j,V),n=(n=Math.imul(j,K))+Math.imul(C,V)|0,o=Math.imul(C,K),e=e+Math.imul(O,H)|0,n=(n=n+Math.imul(O,W)|0)+Math.imul(P,H)|0,o=o+Math.imul(P,W)|0,e=e+Math.imul(N,G)|0,n=(n=n+Math.imul(N,Q)|0)+Math.imul(E,G)|0,o=o+Math.imul(E,Q)|0,e=e+Math.imul(R,Y)|0,n=(n=n+Math.imul(R,tt)|0)+Math.imul(B,Y)|0,o=o+Math.imul(B,tt)|0,e=e+Math.imul(S,rt)|0,n=(n=n+Math.imul(S,et)|0)+Math.imul(L,rt)|0,o=o+Math.imul(L,et)|0,e=e+Math.imul(k,ot)|0,n=(n=n+Math.imul(k,ht)|0)+Math.imul(A,ot)|0,o=o+Math.imul(A,ht)|0,e=e+Math.imul(y,ut)|0,n=(n=n+Math.imul(y,at)|0)+Math.imul(_,ut)|0,o=o+Math.imul(_,at)|0,e=e+Math.imul(v,ft)|0,n=(n=n+Math.imul(v,dt)|0)+Math.imul(M,ft)|0,o=o+Math.imul(M,dt)|0;var St=(a+(e=e+Math.imul(p,pt)|0)|0)+((8191&(n=(n=n+Math.imul(p,ct)|0)+Math.imul(c,pt)|0))<<13)|0;a=((o=o+Math.imul(c,ct)|0)+(n>>>13)|0)+(St>>>26)|0,St&=67108863,e=Math.imul(j,H),n=(n=Math.imul(j,W))+Math.imul(C,H)|0,o=Math.imul(C,W),e=e+Math.imul(O,G)|0,n=(n=n+Math.imul(O,Q)|0)+Math.imul(P,G)|0,o=o+Math.imul(P,Q)|0,e=e+Math.imul(N,Y)|0,n=(n=n+Math.imul(N,tt)|0)+Math.imul(E,Y)|0,o=o+Math.imul(E,tt)|0,e=e+Math.imul(R,rt)|0,n=(n=n+Math.imul(R,et)|0)+Math.imul(B,rt)|0,o=o+Math.imul(B,et)|0,e=e+Math.imul(S,ot)|0,n=(n=n+Math.imul(S,ht)|0)+Math.imul(L,ot)|0,o=o+Math.imul(L,ht)|0,e=e+Math.imul(k,ut)|0,n=(n=n+Math.imul(k,at)|0)+Math.imul(A,ut)|0,o=o+Math.imul(A,at)|0,e=e+Math.imul(y,ft)|0,n=(n=n+Math.imul(y,dt)|0)+Math.imul(_,ft)|0,o=o+Math.imul(_,dt)|0;var Lt=(a+(e=e+Math.imul(v,pt)|0)|0)+((8191&(n=(n=n+Math.imul(v,ct)|0)+Math.imul(M,pt)|0))<<13)|0;a=((o=o+Math.imul(M,ct)|0)+(n>>>13)|0)+(Lt>>>26)|0,Lt&=67108863,e=Math.imul(j,G),n=(n=Math.imul(j,Q))+Math.imul(C,G)|0,o=Math.imul(C,Q),e=e+Math.imul(O,Y)|0,n=(n=n+Math.imul(O,tt)|0)+Math.imul(P,Y)|0,o=o+Math.imul(P,tt)|0,e=e+Math.imul(N,rt)|0,n=(n=n+Math.imul(N,et)|0)+Math.imul(E,rt)|0,o=o+Math.imul(E,et)|0,e=e+Math.imul(R,ot)|0,n=(n=n+Math.imul(R,ht)|0)+Math.imul(B,ot)|0,o=o+Math.imul(B,ht)|0,e=e+Math.imul(S,ut)|0,n=(n=n+Math.imul(S,at)|0)+Math.imul(L,ut)|0,o=o+Math.imul(L,at)|0,e=e+Math.imul(k,ft)|0,n=(n=n+Math.imul(k,dt)|0)+Math.imul(A,ft)|0,o=o+Math.imul(A,dt)|0;var qt=(a+(e=e+Math.imul(y,pt)|0)|0)+((8191&(n=(n=n+Math.imul(y,ct)|0)+Math.imul(_,pt)|0))<<13)|0;a=((o=o+Math.imul(_,ct)|0)+(n>>>13)|0)+(qt>>>26)|0,qt&=67108863,e=Math.imul(j,Y),n=(n=Math.imul(j,tt))+Math.imul(C,Y)|0,o=Math.imul(C,tt),e=e+Math.imul(O,rt)|0,n=(n=n+Math.imul(O,et)|0)+Math.imul(P,rt)|0,o=o+Math.imul(P,et)|0,e=e+Math.imul(N,ot)|0,n=(n=n+Math.imul(N,ht)|0)+Math.imul(E,ot)|0,o=o+Math.imul(E,ht)|0,e=e+Math.imul(R,ut)|0,n=(n=n+Math.imul(R,at)|0)+Math.imul(B,ut)|0,o=o+Math.imul(B,at)|0,e=e+Math.imul(S,ft)|0,n=(n=n+Math.imul(S,dt)|0)+Math.imul(L,ft)|0,o=o+Math.imul(L,dt)|0;var Rt=(a+(e=e+Math.imul(k,pt)|0)|0)+((8191&(n=(n=n+Math.imul(k,ct)|0)+Math.imul(A,pt)|0))<<13)|0;a=((o=o+Math.imul(A,ct)|0)+(n>>>13)|0)+(Rt>>>26)|0,Rt&=67108863,e=Math.imul(j,rt),n=(n=Math.imul(j,et))+Math.imul(C,rt)|0,o=Math.imul(C,et),e=e+Math.imul(O,ot)|0,n=(n=n+Math.imul(O,ht)|0)+Math.imul(P,ot)|0,o=o+Math.imul(P,ht)|0,e=e+Math.imul(N,ut)|0,n=(n=n+Math.imul(N,at)|0)+Math.imul(E,ut)|0,o=o+Math.imul(E,at)|0,e=e+Math.imul(R,ft)|0,n=(n=n+Math.imul(R,dt)|0)+Math.imul(B,ft)|0,o=o+Math.imul(B,dt)|0;var Bt=(a+(e=e+Math.imul(S,pt)|0)|0)+((8191&(n=(n=n+Math.imul(S,ct)|0)+Math.imul(L,pt)|0))<<13)|0;a=((o=o+Math.imul(L,ct)|0)+(n>>>13)|0)+(Bt>>>26)|0,Bt&=67108863,e=Math.imul(j,ot),n=(n=Math.imul(j,ht))+Math.imul(C,ot)|0,o=Math.imul(C,ht),e=e+Math.imul(O,ut)|0,n=(n=n+Math.imul(O,at)|0)+Math.imul(P,ut)|0,o=o+Math.imul(P,at)|0,e=e+Math.imul(N,ft)|0,n=(n=n+Math.imul(N,dt)|0)+Math.imul(E,ft)|0,o=o+Math.imul(E,dt)|0;var Zt=(a+(e=e+Math.imul(R,pt)|0)|0)+((8191&(n=(n=n+Math.imul(R,ct)|0)+Math.imul(B,pt)|0))<<13)|0;a=((o=o+Math.imul(B,ct)|0)+(n>>>13)|0)+(Zt>>>26)|0,Zt&=67108863,e=Math.imul(j,ut),n=(n=Math.imul(j,at))+Math.imul(C,ut)|0,o=Math.imul(C,at),e=e+Math.imul(O,ft)|0,n=(n=n+Math.imul(O,dt)|0)+Math.imul(P,ft)|0,o=o+Math.imul(P,dt)|0;var Nt=(a+(e=e+Math.imul(N,pt)|0)|0)+((8191&(n=(n=n+Math.imul(N,ct)|0)+Math.imul(E,pt)|0))<<13)|0;a=((o=o+Math.imul(E,ct)|0)+(n>>>13)|0)+(Nt>>>26)|0,Nt&=67108863,e=Math.imul(j,ft),n=(n=Math.imul(j,dt))+Math.imul(C,ft)|0,o=Math.imul(C,dt);var Et=(a+(e=e+Math.imul(O,pt)|0)|0)+((8191&(n=(n=n+Math.imul(O,ct)|0)+Math.imul(P,pt)|0))<<13)|0;a=((o=o+Math.imul(P,ct)|0)+(n>>>13)|0)+(Et>>>26)|0,Et&=67108863;var It=(a+(e=Math.imul(j,pt))|0)+((8191&(n=(n=Math.imul(j,ct))+Math.imul(C,pt)|0))<<13)|0;return a=((o=Math.imul(C,ct))+(n>>>13)|0)+(It>>>26)|0,It&=67108863,u[0]=gt,u[1]=vt,u[2]=Mt,u[3]=wt,u[4]=yt,u[5]=_t,u[6]=bt,u[7]=kt,u[8]=At,u[9]=xt,u[10]=St,u[11]=Lt,u[12]=qt,u[13]=Rt,u[14]=Bt,u[15]=Zt,u[16]=Nt,u[17]=Et,u[18]=It,0!==a&&(u[19]=a,r.length++),r};function c(t,i,r){return(new g).mulp(t,i,r)}function g(t,i){this.x=t,this.y=i}Math.imul||(p=m),o.prototype.mulTo=function(t,i){var r,e=this.length+t.length;return r=10===this.length&&10===t.length?p(this,t,i):e<63?m(this,t,i):e<1024?function(t,i,r){r.negative=i.negative^t.negative,r.length=t.length+i.length;for(var e=0,n=0,o=0;o<r.length-1;o++){var h=n;n=0;for(var s=67108863&e,u=Math.min(o,i.length-1),a=Math.max(0,o-t.length+1);a<=u;a++){var l=o-a,f=(0|t.words[l])*(0|i.words[a]),d=67108863&f;s=67108863&(d=d+s|0),n+=(h=(h=h+(f/67108864|0)|0)+(d>>>26)|0)>>>26,h&=67108863}r.words[o]=s,e=h,h=n}return 0!==e?r.words[o]=e:r.length--,r.strip()}(this,t,i):c(this,t,i),r},g.prototype.makeRBT=function(t){for(var i=new Array(t),r=o.prototype._countBits(t)-1,e=0;e<t;e++)i[e]=this.revBin(e,r,t);return i},g.prototype.revBin=function(t,i,r){if(0===t||t===r-1)return t;for(var e=0,n=0;n<i;n++)e|=(1&t)<<i-n-1,t>>=1;return e},g.prototype.permute=function(t,i,r,e,n,o){for(var h=0;h<o;h++)e[h]=i[t[h]],n[h]=r[t[h]]},g.prototype.transform=function(t,i,r,e,n,o){this.permute(o,t,i,r,e,n);for(var h=1;h<n;h<<=1)for(var s=h<<1,u=Math.cos(2*Math.PI/s),a=Math.sin(2*Math.PI/s),l=0;l<n;l+=s)for(var f=u,d=a,m=0;m<h;m++){var p=r[l+m],c=e[l+m],g=r[l+m+h],v=e[l+m+h],M=f*g-d*v;v=f*v+d*g,g=M,r[l+m]=p+g,e[l+m]=c+v,r[l+m+h]=p-g,e[l+m+h]=c-v,m!==s&&(M=u*f-a*d,d=u*d+a*f,f=M)}},g.prototype.guessLen13b=function(t,i){var r=1|Math.max(i,t),e=1&r,n=0;for(r=r/2|0;r;r>>>=1)n++;return 1<<n+1+e},g.prototype.conjugate=function(t,i,r){if(!(r<=1))for(var e=0;e<r/2;e++){var n=t[e];t[e]=t[r-e-1],t[r-e-1]=n,n=i[e],i[e]=-i[r-e-1],i[r-e-1]=-n}},g.prototype.normalize13b=function(t,i){for(var r=0,e=0;e<i/2;e++){var n=8192*Math.round(t[2*e+1]/i)+Math.round(t[2*e]/i)+r;t[e]=67108863&n,r=n<67108864?0:n/67108864|0}return t},g.prototype.convert13b=function(t,i,r,n){for(var o=0,h=0;h<i;h++)o+=0|t[h],r[2*h]=8191&o,o>>>=13,r[2*h+1]=8191&o,o>>>=13;for(h=2*i;h<n;++h)r[h]=0;e(0===o),e(0==(-8192&o))},g.prototype.stub=function(t){for(var i=new Array(t),r=0;r<t;r++)i[r]=0;return i},g.prototype.mulp=function(t,i,r){var e=2*this.guessLen13b(t.length,i.length),n=this.makeRBT(e),o=this.stub(e),h=new Array(e),s=new Array(e),u=new Array(e),a=new Array(e),l=new Array(e),f=new Array(e),d=r.words;d.length=e,this.convert13b(t.words,t.length,h,e),this.convert13b(i.words,i.length,a,e),this.transform(h,o,s,u,e,n),this.transform(a,o,l,f,e,n);for(var m=0;m<e;m++){var p=s[m]*l[m]-u[m]*f[m];u[m]=s[m]*f[m]+u[m]*l[m],s[m]=p}return this.conjugate(s,u,e),this.transform(s,u,d,o,e,n),this.conjugate(d,o,e),this.normalize13b(d,e),r.negative=t.negative^i.negative,r.length=t.length+i.length,r.strip()},o.prototype.mul=function(t){var i=new o(null);return i.words=new Array(this.length+t.length),this.mulTo(t,i)},o.prototype.mulf=function(t){var i=new o(null);return i.words=new Array(this.length+t.length),c(this,t,i)},o.prototype.imul=function(t){return this.clone().mulTo(t,this)},o.prototype.imuln=function(t){e("number"==typeof t),e(t<67108864);for(var i=0,r=0;r<this.length;r++){var n=(0|this.words[r])*t,o=(67108863&n)+(67108863&i);i>>=26,i+=n/67108864|0,i+=o>>>26,this.words[r]=67108863&o}return 0!==i&&(this.words[r]=i,this.length++),this},o.prototype.muln=function(t){return this.clone().imuln(t)},o.prototype.sqr=function(){return this.mul(this)},o.prototype.isqr=function(){return this.imul(this.clone())},o.prototype.pow=function(t){var i=function(t){for(var i=new Array(t.bitLength()),r=0;r<i.length;r++){var e=r/26|0,n=r%26;i[r]=(t.words[e]&1<<n)>>>n}return i}(t);if(0===i.length)return new o(1);for(var r=this,e=0;e<i.length&&0===i[e];e++,r=r.sqr());if(++e<i.length)for(var n=r.sqr();e<i.length;e++,n=n.sqr())0!==i[e]&&(r=r.mul(n));return r},o.prototype.iushln=function(t){e("number"==typeof t&&t>=0);var i,r=t%26,n=(t-r)/26,o=67108863>>>26-r<<26-r;if(0!==r){var h=0;for(i=0;i<this.length;i++){var s=this.words[i]&o,u=(0|this.words[i])-s<<r;this.words[i]=u|h,h=s>>>26-r}h&&(this.words[i]=h,this.length++)}if(0!==n){for(i=this.length-1;i>=0;i--)this.words[i+n]=this.words[i];for(i=0;i<n;i++)this.words[i]=0;this.length+=n}return this.strip()},o.prototype.ishln=function(t){return e(0===this.negative),this.iushln(t)},o.prototype.iushrn=function(t,i,r){var n;e("number"==typeof t&&t>=0),n=i?(i-i%26)/26:0;var o=t%26,h=Math.min((t-o)/26,this.length),s=67108863^67108863>>>o<<o,u=r;if(n-=h,n=Math.max(0,n),u){for(var a=0;a<h;a++)u.words[a]=this.words[a];u.length=h}if(0===h);else if(this.length>h)for(this.length-=h,a=0;a<this.length;a++)this.words[a]=this.words[a+h];else this.words[0]=0,this.length=1;var l=0;for(a=this.length-1;a>=0&&(0!==l||a>=n);a--){var f=0|this.words[a];this.words[a]=l<<26-o|f>>>o,l=f&s}return u&&0!==l&&(u.words[u.length++]=l),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},o.prototype.ishrn=function(t,i,r){return e(0===this.negative),this.iushrn(t,i,r)},o.prototype.shln=function(t){return this.clone().ishln(t)},o.prototype.ushln=function(t){return this.clone().iushln(t)},o.prototype.shrn=function(t){return this.clone().ishrn(t)},o.prototype.ushrn=function(t){return this.clone().iushrn(t)},o.prototype.testn=function(t){e("number"==typeof t&&t>=0);var i=t%26,r=(t-i)/26,n=1<<i;return!(this.length<=r)&&!!(this.words[r]&n)},o.prototype.imaskn=function(t){e("number"==typeof t&&t>=0);var i=t%26,r=(t-i)/26;if(e(0===this.negative,"imaskn works only with positive numbers"),this.length<=r)return this;if(0!==i&&r++,this.length=Math.min(r,this.length),0!==i){var n=67108863^67108863>>>i<<i;this.words[this.length-1]&=n}return this.strip()},o.prototype.maskn=function(t){return this.clone().imaskn(t)},o.prototype.iaddn=function(t){return e("number"==typeof t),e(t<67108864),t<0?this.isubn(-t):0!==this.negative?1===this.length&&(0|this.words[0])<t?(this.words[0]=t-(0|this.words[0]),this.negative=0,this):(this.negative=0,this.isubn(t),this.negative=1,this):this._iaddn(t)},o.prototype._iaddn=function(t){this.words[0]+=t;for(var i=0;i<this.length&&this.words[i]>=67108864;i++)this.words[i]-=67108864,i===this.length-1?this.words[i+1]=1:this.words[i+1]++;return this.length=Math.max(this.length,i+1),this},o.prototype.isubn=function(t){if(e("number"==typeof t),e(t<67108864),t<0)return this.iaddn(-t);if(0!==this.negative)return this.negative=0,this.iaddn(t),this.negative=1,this;if(this.words[0]-=t,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var i=0;i<this.length&&this.words[i]<0;i++)this.words[i]+=67108864,this.words[i+1]-=1;return this.strip()},o.prototype.addn=function(t){return this.clone().iaddn(t)},o.prototype.subn=function(t){return this.clone().isubn(t)},o.prototype.iabs=function(){return this.negative=0,this},o.prototype.abs=function(){return this.clone().iabs()},o.prototype._ishlnsubmul=function(t,i,r){var n,o,h=t.length+r;this._expand(h);var s=0;for(n=0;n<t.length;n++){o=(0|this.words[n+r])+s;var u=(0|t.words[n])*i;s=((o-=67108863&u)>>26)-(u/67108864|0),this.words[n+r]=67108863&o}for(;n<this.length-r;n++)s=(o=(0|this.words[n+r])+s)>>26,this.words[n+r]=67108863&o;if(0===s)return this.strip();for(e(-1===s),s=0,n=0;n<this.length;n++)s=(o=-(0|this.words[n])+s)>>26,this.words[n]=67108863&o;return this.negative=1,this.strip()},o.prototype._wordDiv=function(t,i){var r=(this.length,t.length),e=this.clone(),n=t,h=0|n.words[n.length-1];0!==(r=26-this._countBits(h))&&(n=n.ushln(r),e.iushln(r),h=0|n.words[n.length-1]);var s,u=e.length-n.length;if("mod"!==i){(s=new o(null)).length=u+1,s.words=new Array(s.length);for(var a=0;a<s.length;a++)s.words[a]=0}var l=e.clone()._ishlnsubmul(n,1,u);0===l.negative&&(e=l,s&&(s.words[u]=1));for(var f=u-1;f>=0;f--){var d=67108864*(0|e.words[n.length+f])+(0|e.words[n.length+f-1]);for(d=Math.min(d/h|0,67108863),e._ishlnsubmul(n,d,f);0!==e.negative;)d--,e.negative=0,e._ishlnsubmul(n,1,f),e.isZero()||(e.negative^=1);s&&(s.words[f]=d)}return s&&s.strip(),e.strip(),"div"!==i&&0!==r&&e.iushrn(r),{div:s||null,mod:e}},o.prototype.divmod=function(t,i,r){return e(!t.isZero()),this.isZero()?{div:new o(0),mod:new o(0)}:0!==this.negative&&0===t.negative?(s=this.neg().divmod(t,i),"mod"!==i&&(n=s.div.neg()),"div"!==i&&(h=s.mod.neg(),r&&0!==h.negative&&h.iadd(t)),{div:n,mod:h}):0===this.negative&&0!==t.negative?(s=this.divmod(t.neg(),i),"mod"!==i&&(n=s.div.neg()),{div:n,mod:s.mod}):0!=(this.negative&t.negative)?(s=this.neg().divmod(t.neg(),i),"div"!==i&&(h=s.mod.neg(),r&&0!==h.negative&&h.isub(t)),{div:s.div,mod:h}):t.length>this.length||this.cmp(t)<0?{div:new o(0),mod:this}:1===t.length?"div"===i?{div:this.divn(t.words[0]),mod:null}:"mod"===i?{div:null,mod:new o(this.modn(t.words[0]))}:{div:this.divn(t.words[0]),mod:new o(this.modn(t.words[0]))}:this._wordDiv(t,i);var n,h,s},o.prototype.div=function(t){return this.divmod(t,"div",!1).div},o.prototype.mod=function(t){return this.divmod(t,"mod",!1).mod},o.prototype.umod=function(t){return this.divmod(t,"mod",!0).mod},o.prototype.divRound=function(t){var i=this.divmod(t);if(i.mod.isZero())return i.div;var r=0!==i.div.negative?i.mod.isub(t):i.mod,e=t.ushrn(1),n=t.andln(1),o=r.cmp(e);return o<0||1===n&&0===o?i.div:0!==i.div.negative?i.div.isubn(1):i.div.iaddn(1)},o.prototype.modn=function(t){e(t<=67108863);for(var i=(1<<26)%t,r=0,n=this.length-1;n>=0;n--)r=(i*r+(0|this.words[n]))%t;return r},o.prototype.idivn=function(t){e(t<=67108863);for(var i=0,r=this.length-1;r>=0;r--){var n=(0|this.words[r])+67108864*i;this.words[r]=n/t|0,i=n%t}return this.strip()},o.prototype.divn=function(t){return 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this._expand(r+1),this.words[r]|=n,this;for(var o=n,h=r;0!==o&&h<this.length;h++){var s=0|this.words[h];o=(s+=o)>>>26,s&=67108863,this.words[h]=s}return 0!==o&&(this.words[h]=o,this.length++),this},o.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},o.prototype.cmpn=function(t){var i,r=t<0;if(0!==this.negative&&!r)return-1;if(0===this.negative&&r)return 1;if(this.strip(),this.length>1)i=1;else{r&&(t=-t),e(t<=67108863,"Number is too big");var n=0|this.words[0];i=n===t?0:n<t?-1:1}return 0!==this.negative?0|-i:i},o.prototype.cmp=function(t){if(0!==this.negative&&0===t.negative)return-1;if(0===this.negative&&0!==t.negative)return 1;var i=this.ucmp(t);return 0!==this.negative?0|-i:i},o.prototype.ucmp=function(t){if(this.length>t.length)return 1;if(this.length<t.length)return-1;for(var i=0,r=this.length-1;r>=0;r--){var e=0|this.words[r],n=0|t.words[r];if(e!==n){e<n?i=-1:e>n&&(i=1);break}}return i},o.prototype.gtn=function(t){return 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fffffc2f")}function y(){M.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}function _(){M.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}function b(){M.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}function k(t){if("string"==typeof t){var i=o._prime(t);this.m=i.p,this.prime=i}else e(t.gtn(1),"modulus must be greater than 1"),this.m=t,this.prime=null}function A(t){k.call(this,t),this.shift=this.m.bitLength(),this.shift%26!=0&&(this.shift+=26-this.shift%26),this.r=new o(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}M.prototype._tmp=function(){var t=new o(null);return t.words=new Array(Math.ceil(this.n/13)),t},M.prototype.ireduce=function(t){var 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