ll@N,c;VI@A(N);setS{A};while(N>1){auto T=move(S);S.clear();while(T.size()){T.erase(A=*T.begin());rep(i,N)rep(j,N)if(i!=j){modint a=A[j];if(a==0)wt("YES"),exit(0);VI B(N-1);c=0;rep(k,N)if(k!=i&&k!=j)B[c++]=A[k];VI C{A[i]+a,A[i]-a,A[i]*a,A[i]/a};rep[C](c,4)B[N-2]=c,S.insert(B);}}N--;}wt(S.count({0})?"YES":"NO");