[백준] 2884번 알람 시계 c++

#include <iostream>
using namespace std;

int main(void) {
	ios::sync_with_stdio(NULL);
	cin.tie(NULL);
	cout.tie(NULL);
	int h, m;
	cin >> h >> m;
	if (h != 0 && m >= 45) {
		cout << h << " " << m-45;
	}
	else if(h == 0 && m<45)
	{
		cout << 23 << " " << 15+m;
	}
	else if (h == 0 && m >= 45)
	{
		cout << 0 << " " << m - 45;
	}
	else if (h != 0 && m < 45) {
		cout << h-1 << " " << m+15;
	}
}