ll@f,a,@b,@c,y=0,g=b+c-f-1,s,S,i,j,k,l;rep(d,1,g)REP(e,1,g-d+1){a=d+f+e,s=a+b+c,S=s*(s-2a)*(s-2b)*(s-2c);i=4a*a*b*b-S,j=4a*a*c*c-S,k=isqrt(i),l=isqrt(j),k*k==i&&l*l==j&&2a*(b*b*e-c*c*d)==(k-l)*d*e?++y:y;}wt(y?"Yes":"No");