func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, w, one = 0, two = 0, sum = 0;     cin >> n;     for (int i = 0; i < n; i++) {       cin >> w;       if (w == 100) {         one++;       } else {         two++;       }       sum += w;     }     if (two % 2 == 0) {       if (one % 2 == 0) {         cout <<  YES ;       } else {         cout <<  NO ;       }     } else {       one -= 2;       if (one < 0) {         cout <<  NO ;         return 0;       }       if (one % 2 == 0) {         cout <<  YES ;       } else {         cout <<  NO ;       }     }     return 0;   }   