#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b;
  cin >> a >> b;
  if (a == 2 * (a / 2 + 0.5) || b == 2 * (b / 2 + 0.5)) {
    cout << "Even" << endl;
  } else {
    cout << "Odd" << endl;
  }
}
