Solution

#include <iostream>
using namespace std;
int main() {
	int n; cin >> n;
	for (int i = 0; i < n; i++) {
		string s;
		cin >> s;
		int end = s.size() - 1;
		if (s[end] & 1)cout << "odd\n";
		else cout << "even\n";
	}
	return 0;
}