#include <iostream>
#include <iomanip>
#include <ctime>
#include <cstdlib>
using namespace std;

class Time {
public:
	int hour;
	int minute;
	int second;

	void print24() const;
	void print12() const;
	void tick();
	void tick(int n);
	void syncWithSystemTime();
};

// Member function definitions
void Time::print24() const {
	cout << setfill('0') << setw(2) << hour << ":"
	     << setw(2) << minute << ":"
	     << setw(2) << second << " (24-hour format)";
}

void Time::print12() const {
	int h = hour % 12;
	if (h == 0) h = 12;
	cout << setfill('0') << setw(2) << h << ":"
	     << setw(2) << minute << ":"
	     << setw(2) << second
	     << (hour < 12 ? " AM" : " PM") << " (12-hour format)";
}

void Time::tick() {
	++second;
	if (second >= 60) {
		second = 0;
		++minute;
		if (minute >= 60) {
			minute = 0;
			++hour;
			if (hour >= 24) {
				hour = 0;
			}
		}
	}
}

void Time::tick(int n) {
	for (int i = 0; i < n; ++i) {
		tick();
	}
}

void Time::syncWithSystemTime() {
	time_t t = time(nullptr);
	tm* now = localtime(&t);
	hour = now->tm_hour;
	minute = now->tm_min;
	second = now->tm_sec;
}

int main() {
	Time currentTime;
	currentTime.syncWithSystemTime();

	cout << "Current time:\n";
	currentTime.print24(); cout << endl;
	currentTime.print12(); cout << endl;

	Time futureTime = currentTime;
	futureTime.tick(3671); // Advance 1 hour, 1 minute, and 11 seconds

	cout << "\nTime after 3671 seconds:\n";
	futureTime.print24(); cout << endl;
	futureTime.print12(); cout << endl;

	return EXIT_SUCCESS;
}