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

namespace AtCoder.ABC
{
    using AtCoder.ABC.IO;

    public class A
    {
        public void Solve(Parser parser, Printer printer)
        {
            int a = parser.Integer();
            int b = parser.Integer();

            var isOdd = (a * b) % 2 == 1;

            var got = isOdd
                ? "Odd"
                : "Even";

            printer.Write(got);
            printer.WriteLine();
            printer.Flush();
        }
    }

    static class Program
    {
        static void Main(string[] args)
        {
            var i = new Parser(Console.OpenStandardInput());
            var o = new Printer(Console.OpenStandardOutput());
            new A().Solve(i, o);
        }
    }
}

namespace AtCoder.ABC.IO