1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
// Aleksander Kramarz

#include <cstdio>
#include <algorithm>
using namespace std;

int n, a, odd = 1001, sum;

int main() {
	scanf("%d", &n);
	while(n--) {
		scanf("%d", &a);
		sum += a;
		if (a % 2)
			odd = min(odd, a);
	}
	if (sum % 2)
		sum -= odd;
	if (sum > 0)
		printf("%d\n", sum);
	else
		printf("NIESTETY\n");
}