#include <bits/stdc++.h>
int main() {
  int32_t a, b;
  std::cin >> a >> b;
  const int32_t mul = a * b;
  if (mul % 2 == 0) {
    std::cout << "Odd" << std::endl;
  } else {
    std::cout << "Even" << std::endl;
  }
  return 0;
}
