func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int n;     cin >> n;     long long int c, e = 0;     long long int s = 0, a;     for (long long int i = 0; i < n; i++) {       cin >> a;       s += a;       if (a % 2 != 0) {         e++;         if (e == 1)           c = a;         else if (e > 1)           c = min(c, a);       }     }     if (e % 2 != 0) s -= c;     cout << s;   }   