func_code_string: #include <bits/stdc++.h>   using namespace std;   int n;   long long sum = 0, m1 = 0;   int main() {     scanf( %d , &n);     for (int i = 1; i <= n; ++i) {       int x;       scanf( %d , &x);       sum += x;       m1 = max(m1, (long long)x);     }     if (m1 <= sum / 2 && sum % 2 == 0)       printf( YES n );     else       printf( NO n );     return 0;   }   