class student
{
char name[20];
int age;
public:
void readData();
void display();
};
class Book
{ student Enrollno;
char bookname[20],author[20];
int no_of_pages;
public: void ReadB();
void displayB();
};
class PrimaryStudet:public student
{ char Activity[20];
int no_of_hrs;
public:
void ReadPrimary();
void DisplayPrimary();
};
class SecondaryStudet:public student {};
class EQUIPMENT
{
char name[20];
int role;
public:
void ReadEquip();
void Display();
};