using System;
using System.Collections.Generic;
using System.Linq;


namespace srdr
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> numbers = Console.ReadLine()
                 .Split()
                 .Select(int.Parse)
                 .ToList();
                if (numbers.All(x=>x%2==0))
                {
                    Console.WriteLine("All numbers are even.");
                }
                else if (numbers.All(x=>x%2!=0))
                {
                    Console.WriteLine("All numbers are odd.");
                }
                else
                {
                    Console.WriteLine("The list contains both even and odd numbers.");
                }



        }
    }
}