using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] input = Console.ReadLine().Split(' ');
            int a = int.Parse(input[0]);
            int b = int.Parse(input[1]);
            string output = (a % 2 == 1 || b % 2 == 1) ? "Odd" : "Even";
            Console.WriteLine(output);
        }
    }
}
