using System;

class Program
{
    static void Main(string[] args)
    {
        var input = Console.ReadLine().Split(" ");
        var a = int.Parse(input[0]);
        var b = int.Parse(input[1]);

        if (a * b % 2 == 0)
        {
            Console.WriteLine("Even");
            return;
        }
        Console.WriteLine("Odd");
    }
}
