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
#include <cstdio>


int main() {
    int n, sum = 0, odd_cnt = 0, min_odd = 1e9;
    scanf("%d", &n);
    for(int i=0; i<n; i++) {
        int tmp;
        scanf("%d", &tmp);
        sum += tmp;
        if(tmp%2 != 0) {
            odd_cnt++;
            if(tmp < min_odd)
                min_odd = tmp;
        }
    }
    if(odd_cnt%2 == 1)
        sum -= min_odd;
    if(sum)
        printf("%d\n", sum);
    else
        printf("NIESTETY\n");
    
    return 0;
}