#include <bits/stdc++.h>

#define rep(i,n) for(int i=0; i<n; i++)

using namespace std;


int main() {
    int a, b;
    cin >> a >> b;
    
    if ( (a * b) % 2 == 0 ) cout << "Even" else cout << "Odd";
        
    return 0;
}
