using System;

public class Program

{

    public static void Main()

    {

        string input; //declares the variable 'input' as a string of text

        Console.WriteLine("Please tell me your name.");

        input = Console.ReadLine(); //reads from an input into the console, and maes input equal that string

        Console.WriteLine("Hello " + input + "!"); //adds the strings "Hello ", input, and "!" together

    }

}