#include <iostream>
#include <cassert>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  unsigned long long A, B; cin >> A >> B;
  unsigned long long a = A % 10;
  unsigned long long b = B % 10;
  cout << ((A * B) % 2 == 0? "Even": "Odd") << endl;
  return 0;
}