Solved by hyun021214

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	353,723	2.54
7287	Registration STANDARD	61,941	1.92
10171	Cats STANDARD	183,208	2.80
10172	Dogs STANDARD	179,033	2.33
10699	오늘 날짜 STANDARD	35,895	1.85

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