#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b;
  cin >> a >> b;
  if ((a * b) / 2 == 0)
    cout << "Even" << endl;
  else if ((a * b) / 2 == 1)
    cout << "Odd" << endl;
  return 0;
}
