#include<bits/stdc++.h>
using namespace std;
int lh,lm,rh,rm;
int main(){
	ios::sync_with_stdio(NULL);
	cin.tie(0);cout.tie(0);
	cin>>lh>>lm>>rh>>rm;
	int sum=(rh-lh)*60+rm-lm;
	cout<<sum/60<<' '<<sum%60;
	return 0;
}