func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int n, m;       cin >> n >> m;       int a[n];       for (int i = 0; i < n; i++) {         cin >> a[i];       }       for (int num : a) {         m -= num;       }       if (m != 0)         cout <<  NO  << endl;       else         cout <<  YES  << endl;     }   }   