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

int main() {
  int a, b;
  cin >> a >> b >> endl;
  
  if((a*b) % 2 == 0){
    cout << "Even" << endl;
  }
  id((a*b) % 2 ==1){
    cout << "Odd" << endl;
  }
}
    