1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
#include<iostream>
using namespace std;
long t, i, x, sum = 0, minnp = -1;
int main() {
  cin >> t;
  for (int i = 0; i < t; ++i) {
    cin >> x;
    sum += x;
    if (x%2==1 && (minnp==-1 || x<minnp)) minnp = x;
  };
  if (sum%2==1)
    sum -= minnp;
  if (sum > 0)
      cout << sum;
  else
    cout << "NIESTETY";
  return 0;
};