#include<stdio.h>
	int main(void)
	{
	int a ,b, c,d,e,f;
	scanf("%d%d%d",&a,&b,&c);
	scanf("%d%d%d",&d,&e,&f);
	if(d-a==0)
		printf("Y e s\n");
	else if(d-a==1||(a==7&&d==1)){
		if(b==e&&c>=f)
			printf("Y e s\n");
		else if(b>e)
			printf("Y e s\n");
		else 
			printf("N o\n");}
	else 
		printf("N o\n");
	return 0;
}