using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("enter a number");

        double num1 = double.Parse(Console.ReadLine());

        Console.WriteLine("enter another number");

        double num2 = double.Parse(Console.ReadLine());

        if(num1 > num2)

        {

                Console.WriteLine(num1+ " " +num2);

                    Console.WriteLine(num2+ " " +num1);

        Console.WriteLine(num1-num2);

        } 

        else

        { 

            Console.WriteLine(num2+ " " +num1);

            Console.WriteLine(num1+ " " +num2);

            Console.WriteLine(num2-num1);

    }

}

}