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) {
            var a_b = Console.ReadLine().Split().ToList().ConvertAll(int.Parse);
            Console.WriteLine(a_b[0] * a_b[1] % 2 == 0 ? "Odd" : "Even");
        }
    }
}
