#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

struct Book {
  string name;
  string author;
  int year;
};

class BinaryFiles {
  ifstream fin;
  ofstream fout;

  public:
    BinaryFiles(string file_name_first, string file_name_second) {
      fin.open(file_name_first, ios::binary);
      fout.open(file_name_second, ios::binary);
    }

    ~BinaryFiles() {
      fin.close();
      fout.close();
    }

    ifstream& GetIn() {
      return fin;
    }

    ofstream& GetOut() {
      return fout;
    }
};

void operator>>(BinaryFiles& files, Book& book) {
  files.GetIn().read((char*)&book, sizeof(book));
}

void operator<<(BinaryFiles& files, Book& book) {
  files.GetOut().write((char*)&book, sizeof(book));
}

int main() {
  int n;
  cout << "Enter number of books\n";
  cin >> n;
  BinaryFiles files1("file1.txt", "file1.txt");
  BinaryFiles files2("file2.txt", "file2.txt");
  for (int i = 0; i < n; ++i) {
    Book book;
    cout << "Enter name of book: ";
    cin >> book.name;
    cout << "Enter name of author: ";
    cin >> book.author;
    cout << "Enter year of book: ";
    cin >> book.year;
    files1 << book;
  }
  int year;
  cout << "Enter some year: ";
  cin >> year;
  for (int i = 0; i < n; ++i) {
    Book book;
    files1 >> book;
    if (book.year > year) {
//      cout << book.name << " " << book.author << " " << book.year << "\n";
        files2 << book;
    }
  }

  return 0;
}