using System;

namespace Example58
{
	abstract class Animal
	{
		private string name;

		public Animal(string name)
		{
			this.name = name;
		}

		public abstract string Speak();

		public string Name
		{
			get { return name; }
		}
	}

	class Dog : Animal
	{
		public Dog(string name) : base(name)
		{
		}

		public override string Speak()
		{
			return "Woof, woof";
		}

		public override string ToString()
		{
			return Name;
		}
	}

	class Cat : Animal
	{
		public Cat(string name) : base(name)
		{
		}

		public override string ToString()
		{
			return Name;
		}

		public override string Speak()
		{
			return "Meow, meow";
		}


	}

	/// <summary>
	/// Summary description for Class1.
	/// </summary>
	class Class1
	{
		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main(string[] args)
		{
			Animal spot = new Dog("Spot");
			Animal puff = new Cat("Puff");

			Console.WriteLine(spot + " " + spot.Speak());
			Console.WriteLine(puff + " " + puff.Speak());
		}
	}
}