Exercise 1

Day	Seminar
	schedule		topic	status
	begin	end	topic	status
Mon	8AM	5PM	Html	OK
Tus	8AM	9AM	Java/backend/php/docker	NG
	9AM	2PM	Java/backend/php/docker	OK
	2PM	5PM	JS	GOOD
Wed	OFF			OK
Thus	8AM	5PM	Html	NG