#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <numeric>
using namespace std;
#define ll long long
int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int a,b;
    cin >> a >> b;
    if((a*b)%2==1){cout << "Odd" << endl;}
    else cout << "Even" << endl;
    
    r