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