1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
#include <iostream>
using namespace std;

int main ()
{
	ios_base::sync_with_stdio(0);
	int n;
	cin>>n;
	long long sum = 0;
	int smnp =  10000;
	for (int i =0;i<n;i++){
		int a;
		cin>>a;
		sum+=a;
		if ((a%2) == 1)smnp = min(smnp,a); 
	}
	if (n>0)if ((sum %2) ==1)sum-=smnp;
	if (!sum)cout<<"NIESTETY"<<endl;
	else cout<< sum<<endl;
	return 0;
}