using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;


namespace ConsoleApp3
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] input = Console.ReadLine().Split(' ');
            int a = int.Parse(input[0]);
            int b = int.Parse(input[1]);

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