using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter the sentence");

        string str = Console.ReadLine();

        int Start=str.Length-1;

        int End=str.Length-1;

        int i;

        StringBuilder sb = new StringBuilder(); 

        while(Start>0)

        {

            if(str[Start]==' ')

            {

                i=Start+1;

                while(i<=End)

                {

                    sb.Append(str[i]);

                    i++;

                }

                sb.Append(' ');

                End = Start-1;

            }

        }

    }

}