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