#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b;
  cin >> a >> b;
  bool flag = false;
  if (a % 2 == 0 || b % 2 == 0) flag = true;
  if (flag)
    cout << "Even\n";
  else
    cout << "Odd\n";
}
