#include using namespace std; using ll = long long; template using vec = vector; template using vvec = vector>; template bool chmin(T& a,T b){if(a>b) {a = b; return true;} return false;} template bool chmax(T& a,T b){if(az) break; } ll b = 1; for(int i=0;iz) break; } if(a+b==z){ cout << "Yes\n"; return 0; } } cout << "No\n"; }