using System;

public class Program

{

    public static void Main()

    {

 string input = Console.ReadLine();

            string result = "";

            string tmp = "";

            for (int i = input.Length - 1; i >= 0; i--)

            {

                if (input[i] == ' ')

                {

                    result =  tmp + " " + result;

                    tmp = "";

                }

                else

                    tmp += input[i];

            }

            result = tmp + " " + result;

            Console.WriteLine(result);

    }

}

​