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

namespace ABC086A_Product
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] input = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray();
            int a = input[0];
            int b = input[1];
            if (a * b % 2 == 0)
            {
                Console.WriteLine("Odd");
            }
            else
            {
                Console.WriteLine("Even");
            }
        }
    }
}
