using System;

public class Program

{

    public static void Main()

    {

        string firstName = "Nicodemus";

        string lastName = "Brown";

        Console.WriteLine("Please enter your first name.");

        firstName = Console.ReadLine();

        Console.WriteLine("Please enter your last name.");

        lastName = Console.ReadLine();

 int number1,number2;

    Console.WriteLine((firstName) + ", please enter a number:");

        number1 = int.Parse(Console.ReadLine());

            Console.WriteLine((firstName) + ", please enter a second number:");

        number2 = int.Parse(Console.ReadLine());

        Console.WriteLine("The sum of " + (number1) + " and " + (number2) + " is: " + (number1 + number2));

        Console.WriteLine("Thank you for using my program, " + (firstName) + ", come back again!");

    }

}