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 <iostream>

using namespace std;

int main(){
	int a, n, suma = 0, ilen = 0, minn = 999;
	cin>>n;
	
	for(int i = 0; i < n; ++i){
		cin>>a;
		suma += a;
		if(a % 2 == 1){
			ilen++;
			if(a < minn)
				minn = a;
		}
	}
	
	if(ilen % 2 == 1)
		suma -= minn;
		
	if(suma == 0)
		cout<<"NIESTETY\n";
	else
		cout<<suma<<endl;
	
	return 0;
}