using System;

public class Program

{

    public static void Main()

    {

        //rUBÈN aLMONTE

        double a, b, c;

        Console.Write("Give me a number.");

        Console.WriteLine();

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

        Console.Write("Give me another number.");

        Console.WriteLine();

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

        Console.Write("Give me another number.");

        Console.WriteLine();

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

        Console.WriteLine();

​

        if(a == b || a == c || b == c)

        {

            Console.WriteLine("You cannot have same numbers, start again please.");

        }

        else if (a > b && a < c)

        {

            Console.WriteLine("The middle number is " + a);

        }

        else if (a > c && a < b)

        {

            Console.WriteLine("The middle number is " + a);

        }

        else if (b > a && b < c)

        {

            Console.WriteLine("The middle number is " + b);

        }

        else if (b > c && b < a)

        {

            Console.WriteLine("The middle number is " + b);

        }

        else if (c > b && c < a)

        {

            Console.WriteLine("The middle number is " + c);

        }

        else if (c > a && c < b)

        {

            Console.WriteLine("The middle number is " + c);

        }

    }

}