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