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

int main() {
 int a;
 int b;
  cin >> a >> b;
    if(a%2==0 || b%2==0) {cout << "Even" << endl;}
  else if(a%2=1 && b%2=1)  {cout <<"Odd" << endl;}
  

}
