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

namespace AtCoder.Abc
{
    class QuestionD
    {
        public static void Main(string[] args)
        {
            var sw = new System.IO.StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
            Console.SetOut(sw);

            // 整数配列の入力
            var inputLongArray = Console.ReadLine().Split(' ').Select(i => long.Parse(i)).ToArray();

            long a = inputLongArray[0];
            long b = inputLongArray[1];

            string result = "Even";
            if ((a+b)%2 == 0)
            {
                result = "Odd";
            }
            Console.WriteLine(result);

            Console.Out.Flush();
        }
    }
}
