#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c,d;
	cin>>a>>b>>c>>d;
	int s1,f1;
	if(d>b){
		f1=d-b;
		s1=c-a;
		cout<<s1<<"　"<<f1<<endl;
		return 0; 
	}else if(d<b){
		d+=60;
		c-=1;
		f1=d-b;
		s1=c-a;
		cout<<s1<<" "<<f1<<endl;
		return 0; 
	}else{
		f1=d-b;
		cout<<f1<<endl;
		return 0;
	} 
	return 0;
}