#include <iostream>
using namespace std;

class Book {
private:
  char name[50];
  uint id;

public:
  void getData();
  void putData();
};

void Book::getData() {
  cout << "Name of book: ";
  cin >> name;
  cout << "ID of book: ";
  cin >> id;
}

void Book::putData() {
  cout << "Name of book: " << name << endl << "ID of book: " << id << endl;
}

class Authorities : public Book {
private:
  char author[50];
  char publisher[50];

public:
  void getData();
  void putData();
};

void Authorities::getData() {
  cout << "Name of author: ";
  cin >> author;
  cout << "Name of publisher: ";
  cin >> publisher;
}

void Authorities::putData() {
  cout << "Name of author: " << author << endl
       << "Name of publisher: " << publisher << endl;
}

class Publication : public Authorities {
private:
  uint pageCount;
  uint year;

public:
  void getData();
  void putData();
};

void Publication::getData() {
  cout << "Number of pages: ";
  cin >> pageCount;
  cout << "Year (YYYY): ";
  cin >> year;
}

void Publication::putData() {
  cout << "Number of pages: " << pageCount << endl << "Year: " << year << endl;
}

int main() {
  Publication p[3];

  for (auto &x: p) {
    x.Book::getData();
    x.Authorities::getData();
    x.getData();
  }

  for (auto &x: p) {
    x.Book::putData();
    x.Authorities::putData();
    x.putData();
  }
}