#include<iostream>
using namespace std;
int main()
	{
		int a, b, c, d, e, f;
		cin >> a >> b >> c >> d;
		if (d >= b)
		{
			e = c - a;
			f = d - b;
		}
		else
		{
			e = c - a - 1;
			f = 60 - b + d;
		}
		cout << e << " " << f;
		return 0;
	}