using System;

namespace Example34
{
	class ParkingLot
	{
		private int totalSpaces;
		private int occupied;

		public ParkingLot(int total)
		{
			totalSpaces = total;
			occupied = 0;
		}

		public void Enter()
		{
			bool full = IsFull();

			if (!full)
			{
				occupied++;
				Console.WriteLine("\n**Welcome to the parking lot!");
			}
			else
			{
				Console.WriteLine("\n**Sorry, the parking lot is full");
			}
		}

		public void Leave()
		{
			if (occupied > 0)
			{
				occupied--;
				Console.WriteLine("\n**Good bye!");
			}
		}

		public bool IsFull()
		{
			if (occupied == totalSpaces)
				return true;
			else
				return false;
		}
	}
	
	class Class1
	{
		static void Main(string[] args)
		{
			ParkingLot parkingLot = new ParkingLot(5);

			int choice;

			do 
			{
				Console.WriteLine("\n1. Enter.\n2. Leave. \n3. Quit");
				Console.Write("\nInput your option: ");
				
				choice = int.Parse(Console.ReadLine());

				switch (choice)
				{
					case 1:
						parkingLot.Enter();
						break;
					case 2:
						parkingLot.Leave();
						break;
					case 3:
						break;
				}
			} while (choice != 3);
		}
	}
}