static void Main(string[] args)
{
IVisitor console = new ConsoleVisitor();
CounterVisitor counter = new CounterVisitor();
IRoom kitchen = new Kitchen();
IRoom bathroom = new Bathroom();
IRoom apartment = new Apartment();
kitchen.Accept(counter);
bathroom.Accept(console);
apartment.Accept(counter);
console.Visit((Kitchen)kitchen);
counter.PublishCounter();
}