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#include <iostream>
using namespace std;

int n, curr;
int sum_ = 0;
int min_odd = -1;

int main () {
	cin >> n;
	
	for (int i = 0; i < n; ++i) {
		cin >> curr;
		sum_ += curr;
		if ((curr < min_odd || min_odd == -1) && curr % 2 == 1) {
			min_odd = curr;
		}
	}
	
	if (min_odd != -1) {
		sum_ -= min_odd;
	}
	
	if (sum_ > 0) {
		cout << sum_;
	} else {
		cout << "NIESTETY";
	}
	
	return 0;
}