#include <bits/stdc++.h>
int main() {
  int8_t a, b;
  std::cin >> a >> b;
  if (a % 2 == 0 || b % 2 == 0) {
    std::cout << "Even" << std::endl;
  } else {
    std::cout << "Odd" << std::endl;
  }
  return 0;
}
