#include <cstdlib>
#include <iostream>
#include <string>

using namespace std;

class Appointment {
private:
	int month;
	int day;
	int year;
	int hour;
	int minute;
	bool isam;
	string description;

public:
	Appointment(int n_month, int n_day, int n_year, int n_hour, int n_minute, bool n_isam, string n_description) {
		month = n_month;
		day = n_day;
		year = n_year;
		hour = n_hour;
		minute = n_minute;
		isam = n_isam;
		description = n_description;
	}
	int getYear() {return year;}	
	int getMonth() {return month;}	
	int getDay() {return day;}	
	int getHour() {return hour;}	
	int getMinute() {return minute;}	
	bool getIsAm() {return isam;}	

	friend bool operator<(Appointment a1, Appointment a2) {
		if((a1.getYear() < a2.getYear()) || 
		
			(a1.getYear() == a2.getYear() && a1.getMonth() < a2.getMonth()) ||
		
			(a1.getYear() == a2.getYear() && a1.getMonth() == a2.getMonth() && a1.getDay() < a2.getDay()) ||
		
			(a1.getYear() == a2.getYear() && a1.getMonth() == a2.getMonth() && a1.getDay() == a2.getDay() && 
			a1.getIsAm() == true && a2.getIsAm() == false) ||

			(a1.getYear() == a2.getYear() && a1.getMonth() == a2.getMonth() && a1.getDay() == a2.getDay() && 
			(a1.getIsAm() == a2.getIsAm()) && a1.getHour() < a2.getHour()) ||
		
			(a1.getYear() == a2.getYear() && a1.getMonth() == a2.getMonth() && a1.getDay() == a2.getDay() && 
			(a1.getIsAm() == a2.getIsAm()) && a1.getHour() == a2.getHour() && a1.getMinute() < a2.getMinute())) {

			return true;
		} else {
			return false;
		}
	

	}

};