#include <bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c,d,e,f;
	scanf("%d %d %d %d",&a,&b,&c,&d);
	e=c-a;
	f=d-b;
	if (f<0){
		f=f+60;
		e=e-1;
	}
	printf("%d %d",e,f);
    return 0;
}