#include<iostream>
#include<conio.h>
using namespace std;
class A //base class created
{
int a;
public: //visibility mode public.
void getval_a(); //member function decleartion and getiing the valluse of a
int get_a(); //return value of a.
};
class B : public A //derrived class from class a,
{
int b,c; //int tyoe data type
public: //visiblity mode public.
void getval_b(); //functio declaration
void add(); //addition of both the values
void display(); //disply the addition
};
void A::getval_a(int x) //function define
{
a=x; //pass the value of a to x
}
int A::get_a() //function define
{
return a; //return to the value of x to a.
}
void B::getval_b(int y) //function define
{
b=y; //passa the vlue of b to the y.
}
void B::add() //function define
{
c=get_a(); //store the value of a into the the a.
c=c+b; //addd c=a+b
}
void B::display() //function define
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