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

namespace yukicoderTest
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] input = Console.ReadLine().Split(' ') ;
            Array.Reverse(input);
            Console.WriteLine(input[0] + " " + input[1]);
        }
    }
}