#include<stdio.h>
int main()
{
	int week1,hour1,mi1,week2,hour2,mi2;
	float s;
	scanf("%d %d %d",&week1,&hour1,&mi1);
	scanf("%d %d %d",&week2,&hour2,&mi2);
	if((week2-week1)==0)
		s=hour2-hour1+(mi2-mi1)/60.0;
	else if((week2-week1)==1||(week2-week1)==-6)
	    s=24-hour1+hour2+(mi2-mi1)/60.0;
	else
	    s=25;
	if(s<=24)
		printf("Y e s");
	else
		printf("N o");
	return 0;
}