func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long n, k, t, t1 = 0;     cin >> n >> k;     cin >> t1;     for (int i = 2; i <= n; i++) {       cin >> t;       t1 += t + 1;     }     if (t1 == k)       cout <<  YES ;     else       cout <<  NO ;   }   