public static void Main()
Console.Write("Enter a 5-digit vehicle identification number => ");
int idNum = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter the make of the car => ");
string make = Console.ReadLine();
Console.Write("Enter the number of doors for the car => ");
int doors = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter the top speed of the car => ");
int speed = Convert.ToInt32(Console.ReadLine());
Car richRide = new Car(idNum, speed, doors, make);
Console.WriteLine(richRide);
Console.WriteLine("The car goes" + richRide.SoundHorn());
Console.WriteLine(richRide.Operate());
Boat fishingBoat = new Boat(54321, 30, 8, "Outboard Marine");
Console.WriteLine(fishingBoat);
Console.WriteLine("The boat goes" + fishingBoat.SoundHorn());
Console.WriteLine(fishingBoat.Operate());
Plane plane = new Plane(21245, 400, 2, "Boeing");
Console.WriteLine(plane);
Console.WriteLine("The plane goes" + plane.SoundHorn());
Console.WriteLine(plane.Operate());