func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int n, a, i, sum = 0, k, l = 10000000000;     cin >> n;     for (i = 1; i <= n; i++) {       cin >> a;       sum += a;       if (a % 2) l = min(l, a);     }     if (sum % 2 == 1) sum -= l;     cout << sum << endl;   }   