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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] a = Console.ReadLine().Split(' ');
            if (int.Parse(a[0]) % 2 == 0 || int.Parse(a[1]) % 2 == 0)
            {
                Console.WriteLine("even");
            }
            else
            {
                Console.WriteLine("odd");

            };



        }
    }
}
