//animals.h

#include <iostream.h>

//declaration of a base class (abstract)
class Animal {
	public:
		virtual void pinch() = 0;   //pure virtual function
		virtual void cry() {cout<<"Do not hurt me!\n\n";}  //virtual function
								   // note the default behavior
};


//derived classes

class Cat:public Animal {
	public:
		void pinch() {cout<<"MIAOW!\n";}
};

class Dog:public Animal {
	public:
		void pinch() {cout<<"WWOOF!\n";}
};

class Cow:public Animal {
	public:
		void pinch() {cout<<"MOOO!\n";}
};

class Tiger:public Animal {
	public:
		void pinch() {cout<<"GRRRRRR...Tasted good!\n";}
		void cry() {cout<<"Who's next?"<<endl<<endl;}
};