#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c,d,e,f;
    cin>>a>>b>>c>>d;
    e=((c*60+d)-(a*60+b))/60;
    f=((c*60+d)-(a*60+b))%60;
    printf("%d %d",e,f);
    return 0;
}
/**************************************************************
	Problem: 1462
	User: zhangyilei
	Language: C++
	Result: Accepted
	Time:16 ms
	Memory:2072 kb
****************************************************************/