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
#include <cstdio>
using namespace std;

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