using System;

​

public class MyProgram

{

    public static void Main(String[] args)

    {

        // Number Sort 

        // Tatyana Johnson 

        // 2/11/2018

        double a;

        double b;

        double c;

        Console.WriteLine("Please enter one real number");

        input(out a);

        Console.WriteLine("Enter a real number");

        input(out b);

        Console.WriteLine("Please enter a real number");

        input(out c);

        if (a <= b)

        {

            if (b <= c)

            {

                Console.WriteLine("a, b, c");

            }

            else

            {

                Console.WriteLine("a, c, b");

            }

            if (c <= b)

            {

                Console.WriteLine("c, a, b");

            }

            else

            {

                Console.WriteLine("c, b, a");

            }

        }

        else

        {

            if (b <= a)

            {

                Console.WriteLine("b, c, a");

            }

            else

            {

                Console.WriteLine("b, a, c");

            }

        }

    }

    // .NET can only read single characters or entire lines from the console.

    // The following functions are designed to help input specific data types.

    private static void input(out double result)

    {

        while (!double.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out int result)

    {

        while (!int.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out Boolean result)

    {

        while (!Boolean.TryParse(Console.ReadLine(), out result));

    }

    private static void input(out string result)

    {

        result = Console.ReadLine();

    }

}

​