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

int main(){
    int a, b;
    cin >> a >> b;
    int c = a * b;

    if(c % 2 = 1){
        cout << "Odd" << endl;
    }

    else if(c % 2 = 0){
        cout << "Even" << endl;
    }

}