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

/**************************************************************
	Problem: 1462
	User: zhangziang
	Language: C++
	Result: Accepted
	Time:15 ms
	Memory:2072 kb
****************************************************************/