#include <iostream>

using namespace std;

union cost {
    int decim;
    double floating;

    void init() {
        cin >> floating;
        if ((int) floating == floating) {
            decim = (int) floating;
        }
    }

    double get() {
        if (floating != NULL) return floating;
        return decim;
    }

};

struct books {
    string name;
    string author;
    int year;
    int pages;
    cost price;
};

int main() {
    struct books book;

    cout << "Enter name of the book:";
    cin >> book.name;

    cout << "Enter author of the book:";
    cin >> book.author;

    cout << "Enter year of the book:";
    cin >> book.year;

    printf("Enter number of pages in the book:");
    cin >> book.pages;

    printf("Enter price of the book:");
    book.price.init();


    cout << "Book name: " << book.name << endl;
    cout << "Book author: " << book.author << endl;
    cout << "Book year: " << book.year << endl;
    cout << "Book number of pages: " << book.pages << endl;
    cout << "Book price: " << book.price.get() << endl;

    return 0;
}