#include <cstdio>
#include <cstring>
int main(){
	int a,b,c,d;
	scanf("%d%d%d%d",&a,&b,&c,&d);
	int minute = (c * 60 + d) - (a * 60 + b);
	printf("%d %d",minute % 60,minute / 60);
	return 0;
}