func_code_string: #include <bits/stdc++.h>   using namespace std;   vector<pair<long long, long long> > a;   vector<long long> bus;   long long n, t, z;   int main() {     cin >> n >> t;     for (int i = 0; i < n; i++) {       cin >> z;       t -= z;     }     if (t > n - 1 || t < n - 1) {       cout <<  NO ;     } else       cout <<  YES ;   }   