[2884] 알람 시계 (C++)

#include <iostream>
#include <algorithm>

using namespace std;

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);

	int h, m; cin >> h >> m;

	if (m < 45) {
		h--;
		m += 15;
	}
	else
		m -= 45;

	if (h < 0)
		h += 24;

	cout << h << " " << m << endl;

	return 0;
}