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

namespace ABC086A
{
    class Program
    {
        static void Main(string[] args)
        {
            int a, b;
            var word = Console.ReadLine().Split(' ');
            a = int.Parse(word[0]);
            b = int.Parse(word[1]);
            if (a%2==0&&b%2==0)
                Console.WriteLine("Even");
            else
                Console.WriteLine("Odd");
            Console.ReadKey();
        }
    }
}
