using System;

public class Program

{

    public static void Main()

    {

        //Hannah Zavala

        int a, b, c;

        Console.WriteLine("Hi! Please give me a number");

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

        Console.WriteLine("Give me another different number");

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

        Console.WriteLine("Give me another different number");

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

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

        {

            Console.WriteLine("Please start again");

        }

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

        {

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

        }

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

        {

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

        }

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

        {

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

        }

    }

}