import java.util.Scanner;

public class inheritance

{

public static Scanner x=new Scanner(System.in);

public static void main(String[] args)

{

int t;

one y=new two();

one z=new one();

y.print();

z.print();

/*System.out.println("Enter two numbers a & b for object type of subclass:");

(y.a)=x.nextInt();

(y.b)=x.nextInt();

t=y.math((y.a),(y.b));

System.out.println("Sum for subclass type object:" +t+ "\n\n");

System.out.println("Enter two numbers a & b for object type of base class:");

(z.a)=x.nextInt();

(z.b)=x.nextInt();

t=z.math((z.a),(z.b));

System.out.println("Sum for base class type object:" +t);

*/

}

}

class one

{

public int a;

public int b;

public void print()

{

System.out.println("Hi! This is base class method which has protected visibility & is called from sublcass \'two\'.");

}

public int math(int q,int w)

{

int c;

c=q+w;

System.out.println("This is base class or super class method math. & a="+q+", b="+w);

return c;

}

}

class two extends one

{

public void print()

{

System.out.println("Hi! This is subclass method which is called from subclass.");

}

public int math(int f, int g)

{

super.print();

this.print();

int c;

c=f+g;

System.out.println("This is subclass method math. & a="+f+", b="+g);

return c;

}

}