#include<stdio.h>
int main(void){
	int h,m;
	int start=7*60+30,end=8*60+30,wakeup;
	scanf("%d%d",&h,&m);
	wakeup=h*60+m;
	if(wakeup<start){
		printf("Yes");
	}
	else if(wakeup<end){
		printf("Late");
	}
	else{
		printf("No");
	}
}