#include <bits/stdc++.h>
int main() {
  int a, b;
  std::cin >> a >> b;
  int mul = a * b;
  bool isEven = ((mul & 0x01) == 0);
  if (isEven) {
    std::cout << "Even" << std::endl;
  } else {
    std::cout << "Odd" << std::endl;
  }
  return 0;
}
