#include <iostream>
#include <vector>
#include <fstream>


using namespace std;

class Guest
{
public:
    string surename = "";
    int r_code = NULL;
    unsigned start_date = NULL;
    unsigned end_date = NULL;
    Guest(string surename, int r_code, unsigned start_date, unsigned end_date)
        :surename(surename), r_code(r_code), start_date(start_date), end_date(end_date)
    {

    }

    Guest(istream& input)
    {
        this->operator>>(input);
    }

    void operator >>(istream& input)
    {
        input >> surename;
        input >> r_code;
        input >> start_date;
        input >> end_date;
    }
};

ostream& operator <<(ostream& output, const Guest& object)
{
    return output << object.surename << ' ' << object.r_code << ' ' << object.start_date << ' ' << object.end_date;
}


int main()
{
    fstream guestList;
    vector<Guest> guests;

    guestList.open("./GuestsList.txt");
    if (guestList.is_open())
    {
        while (not guestList.eof())
        {
            guests.push_back(Guest(guestList));
        }
    }
    guestList.close();


    for (const auto guest : guests)
        cout << guest << endl;

    guestList.open("./NewGuestsList.txt", 2);
    if (guestList.is_open())
    {
        unsigned date;
        cout << "Enter date: "; cin >> date;

        for (const auto& guest : guests)
            if (guest.start_date <= date and date <= guest.end_date)
                guestList << guest;
    }

    guestList.close();
    return EXIT_SUCCESS;
}