#include<iostream>
using namespace std;
int main()
{
	int a, b, c, d, e, f;
	cin >> a >> b >> c >> d;
	if (a <= c)
		if (a >= 0 && a <= 24 && b >= 0 && b <= 60 && c >= 0 && c <= 24 && d >= 0 && d <= 60)
			f = d - b;
	if (f >= 0)
		e = c - a;
	else
	{
		e = c - a - 1;
		f = 60 + f;
	}
	cout << e << '\t' << f;
	return 0;
}