using System;
 
public class Hello {
    public static void Main() {
      var nums = NumInput();
 
      if((nums[0] * nums[1])%2 == 0) Result("Even");
      else Result("Odd");
        
    }
    static int[] NumInput(){
        var input_line = Console.ReadLine().Split(' ');
        return input_line.Select(int.Parse).ToArray();
    }
    
    static void Result(string text){
        Console.WriteLine( text );
    }   
}