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
#include <iostream>
using namespace std;

int main()
{
	long long suma = 0;
	int lowest = 1001;
	int n;
	cin >> n;
	for(int i = 0; i < n; i++)
	{
		int a;
		cin >> a;
		if((a%2 != 0) && (a < lowest)) 
				lowest = a;
		suma += a;
	}
	if(suma %2 == 0) 
		cout << suma;
	else if (suma != lowest)
		cout << suma - lowest;
	else 
		cout << "NIESTETY";
	return 0;
	
}