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
#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
using namespace std;

int N, in, kk, sum, out;

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> N; 
	kk=1000;
	for(int i=0; i<N; i++){
		cin >> in;
		sum+=in;
		if(in%2==1 && in<kk)
			kk=in;
	}
	
	if(sum==kk)
		cout << "NIESTETY" << "\n";
	else{
		if(sum%2==0)
			cout << sum << "\n";
		if(sum%2==1 && kk%2==1)
			cout << sum-kk << "\n";
	}
	
	return 0;
}