#include <bits/stdc++.h>
using namespace std;
const int mod = 1000000007;
const int range = 2000000000;
#define ll long long
#define rep(i,n) for(int i=0 ; (n) >i; i++)

class Solution {
public:
    int main(){
        int a,b ; cin >> a >> b;
        if(a*b & 1) cout << "Odd" << endl;
        else cout << "Even" << endl;

        return 0;
    }
};

