#include <bits/stdc++.h>
using namespace std;

int main() {
    int a, b;
    cin >> a >> b;

    if((a * b) % 2 = 0){
        cout << " 'Even' "<<endl;
    }
    if((a * b) % 2 = 1){
        cout << " 'Odd' "<<endl;
    }

}