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

namespace A_project
{
    class Program
    {
        static void Main(string[] args)
        {
           string input = ReadLine();
            string[] array = input.Split(' ');
            int[] figure = new int[array.Length];
            for (int i = 0; i < array.Length; i++) {
                figure[i] = int.Parse(array[i]);
            }
            int result = figure[0] * figure[1] % 2;
            if (result == 0)
            {
                WriteLine("even");
            }
            else {
                WriteLine("odd");
            }
            ReadKey();
        }
    }

}

