#include <bits/stdc++.h>
using namespace std;
int n;
string work(){
	string s;
	cin >> s;
	int p = s.size() - 1;
	int x = s[p] - '0';
	if(x % 2 == 0){
		cout << "even";
	}else{
		cout << "odd";
	}
}
int main(){
	cin >> n;
	while(n--){
		cout << work() << "\n";
	}
	return 0;
}