static void Main(string[] args)
{
//define the handlers.
Handler firstHandler = new FirstHandler();
Handler secondHandler = new SecondHandler();
//Assign the first handler successor to the Second Handler.
firstHandler.SetNextSuccessor(secondHandler);
Console.WriteLine("Input your request");
string request = Console.ReadLine();
firstHandler.HandleRequest(Convert.ToInt16(request));
Console.ReadKey();
}
