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

namespace ConsoleApp1
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var result = Console.ReadLine()
                .Split(" ")
                .Select(x => int.Parse(x))
                .Aggregate((mults, value) => mults * value);

            if (result % 2 == 0)
            {
                Console.WriteLine("Even");
            }
            else
            {
                Console.WriteLine("Odd");
            }
        }
    }
}
