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
#include <cstdio>

using namespace std;

int main()
{
	int n;
	scanf("%d", &n);
	int sum = 0;
	int minO = 1000001;
	for (int i = 0; i < n; ++i)
	{
		int a;
		scanf("%d", &a);
		sum += a;
		if (a % 2 == 1 && a < minO)
		{
			minO = a;
		}
	}
	
	if (n == 1 && sum % 2 == 1)
	{
		printf("NIESTETY\n");
	}
	else
	{
		if (sum % 2 == 1)
		{
			sum -= minO;
		}
		printf("%d\n", sum);
	}
	return 0;
}