#include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int n, i, m, x, s = 0;       cin >> n >> m;       for (i = 1; i <= n; i++) {         cin >> x;         s += x;       }       if (s == m)         cout <<  YES ;       else         cout <<  NO ;       cout <<   n ;     }     return 0;   }   