#include <stdio.h>
void main()
{
	int a ,b,c,d,e,f,g,h,min;
	scanf("%d %d %d %d",&a, &b ,&c ,&d);
	g=a*60+b;h=c*60+d;
	min=h-g;
	e=min/60;f=min-e*60;
	printf("%d %d",e,f);
	

	
	
	
} 
 
/**************************************************************
	Problem: 1462
	User: admin
	Language: C
	Result: Accepted
	Time:20 ms
	Memory:1144 kb
****************************************************************/