def main():
	H,M = input().split()
	
	get_up = H*60 + M
	
	if get_up < 7*60+30:
		return "Yes"
	elif 7*60+30 <= get_up <= 8*60+30:
		return "Late"
	else:
		return "No"
		
if __name__ == "__main__":
	main()