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
#include <iostream>

using namespace std;

int main() {
	std::ios::sync_with_stdio(false);
	int i, a, n, s=0, l=0, m=10000;
	cin>>n;
	for (i=0; i<n; i++) {
		cin >> a;
		s += a;
		if (a%2 == 1) {
			l++;
			if (a < m)
				m = a;
		}
	}
	if (l%2 == 1)
		s -= m;

	if (s>0)
		cout<<s<<endl;
	else
		cout<<"NIESTETY"<<endl;

	return 0;
}