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>
#include <cstdio>
using namespace std;

int niep, n, x, suma, mini=1e9;

int main() {
	scanf("%d", &n);
	for(int i=1;i<=n;i++)
	{
		scanf("%d", &x);
		suma+=x;
		if(x%2==1)
		{
			niep++;
			mini=min(mini, x);
		}
	}
	if(suma==mini)
		printf("NIESTETY\n");
	else if(niep%2==1)
		printf("%d\n", suma-mini);
	else
		printf("%d\n", suma);
	return 0;
}