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
34
35
36
37
38
39
#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include <algorithm>

using namespace std;

int main()
{
	int N;
	cin >> N;

	int sum = 0;
	int minOdd = 1000;
	for ( int i = 0; i < N; ++i )
	{
		int v;
		cin >> v;
		sum += v;
		if ( ( v & 1 ) && v < minOdd )
		{
			minOdd = v;
		}
	}

	if ( sum & 1 )
	{
		sum -= minOdd;
	}

	if ( !sum )
	{
		cout << "NIESTETY";
	}
	else
	{
		cout << sum;
	}
}