class Animal{

public String kind;

void eat(){

}

void sleep(){

}

}

class Fish extends Animal{

String kind="Fish";

void eat(){

System.out.println(kind+" eating");

}

void sleep(){

System.out.println(kind+" sleeping");}

}

class Dog extends Animal{

String kind="Dog";

void eat(){

System.out.println(kind+" eating");

}

void sleep(){

System.out.println(kind+" sleeping");}

}

public class E {

public static void main(String agrs[]){

Fish f=new Fish();

Dog d=new Dog();

f.eat();

f.sleep();

d.eat();

d.sleep();

}

}