#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b;
  cin >> a >> b;
  if (a <= 10000 && a >= 1 && b <= 10000 && b >= 1 && a * b / 2 * 2 <= a * b) {
    cout << "Odd" << endl;
  }
  if (a <= 10000 && a >= 1 && b <= 10000 && b >= 1 && a * b / 2 * 2 == a * b) {
    cout << "Even" << endl;
  }
}
