void ReadDay(ifstream& fin, Date d1, Time t1, Time t2)
{
	int attendance;
	fin >> d1.year >> d1.month >> d1.day >> t1.hour >> t1.minute >> t2.hour >> t2.minute >> attendance;
}
void ReadAttendance(ifstream& fin, int d, Date d1, Date d2, Time t1, Time t2) {
	int distance;

	// See the distance to the date to be considered
	if (DayOfWeek(d1) <= d)
		distance = d - DayOfWeek(d1);
	else distance = 8 - DayOfWeek(d1) + d - 1;
	// Move to the date in considered
	NextDays(d1, distance);
	while (CompareDay(d1, d2) <= 0)   //Use loop to compare 2 times
	{
		ReadDay(fin, d1, t1, t2);
		NextDays(d1, 7);
	}
}