using System;
class program {
  static void main(String[] args) {
    String[] input = Console.ReadLine().Split(' ');
    int a = int.Parse(input[0]);
    int b = int.Parse(input[1]);
    int c = a * b;
    if (c % 2 == 0) {
      Console.WriteLine("Even");
    } else {
      Console.WriteLine("Odd");
    }
  }
}