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
#include <iostream>

using namespace std;

int main()
{
    long long int n;
    cin >> n;
    if(n==1){
        cin >> n;
        if(n%2)cout << "NIESTETY";
        else cout << n;
        return 0;
    }
    long long int razem, x, min;
    razem=0;
    min = 1001;
    while(n--){
        cin >> x;
        razem+=x;
        if(x<min && (x%2))min=x;
    }
    if(razem%2)razem-=min;
    cout << razem;
    return 0;
}