using System;

public class Program

{

    public static void Main()

    {

        //Estefanía Lee

        int a, b, c;

        Console.WriteLine("Hello!");

        Console.WriteLine();

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

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

        Console.WriteLine();

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

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

        Console.WriteLine();

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

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

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

        {

            Console.WriteLine("Please start again, some numbers are equal.");

        }

        else if (a > b & a > c )

        {

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

        }

        else if (b > a & b > c )

        {

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

        }

        else if (c > a & c > b )

        {

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

        }

    }

}