1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
#include <iostream>

using namespace std;

int main()
{
    long long int n;
    long long int a;
    cin >> n;
    if (n == 1){
        cin >> a;
        if (a%2 == 1) cout << "NIESTETY";
        else cout << a;
    }
    else{
        long long int odp = 0;
        long long int ile = 0;
        long long int najm = 10000;
        for (long long int i=0; i<n; i++){
            cin >> a;
            odp += a;
            if (a%2 == 1){
                ile++;
                if (najm > a) najm = a;
            }
        }
        if (ile%2 == 0) cout << odp;
        else cout << odp - najm;
    }

}