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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
#include <iostream>
using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    int n, a, suma = 0, mini = 1001;

    cin >> n;
    int u = n;
    while(u != 0)
    {
        cin >> a;
        suma = suma + a;
        if(a % 2 != 0)
        {
            if(a < mini)
            {
                mini = a;
            }
        }
        u--;
    }

    if(suma % 2 == 0)
    {
        cout << suma;
    }
    else
    {
        if(n == 1)
        {
            cout <<"NIESTETY";
        }
        else
        {
            suma = suma - mini;

            if(suma % 2 == 0)
            {
                cout << suma;
            }
        }
    }
    return 0;
}