#include<stdio.h>
int main() {
	int a,b,c,d;
	scanf("%d %d %d %d",&a,&b,&c,&d);
	int s=c*60+d-(a*60+b);
	int m=s/60,n=s-m*60;
	printf("%d %d\n",m,n);
	return 0;
}

#include<stdio.h> int main() { int a,b,c,d; scanf("%d%d%d%d",&a,&b,&c,&d); int q=a60+b,p=c60+d; int e=(p-q)/60,f=(p-q)%60; printf("%d %d",e,f); return 0; }