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

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    uint64_t A, B;
    cin>>A;
    cin>>B;

    if (A%2) A = 1; else A = 2;
    if (B%2) B = 1; else B = 2;
    if (A*B%2) cout << "Odd\n"; else cout << "Even\n";

    return 0;
}