#include<stdio.h>
#include<math.h>
int main(){
	int a,b,c,d,e,f,t1,t2;
	scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f);
	t1=b*60+c;
	t2=e*60+f;
	if(a==d){
	printf("Y e s\n");
	}
	else if(d==(a+1)){
		    if((t2-t1)<=0)
			printf("Y e s\n");
	        else printf("N o\n");
	}
	else if(a==7&&d==1){
		if((t2-t1)<=0)
			printf("Y e s\n");
       else printf("N o\n");
	}
	else  printf("N o\n");
	return 0;
}