Solved by rsp9

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	364,843	2.54
7287	Registration STANDARD	63,859	1.92
10171	Cats STANDARD	189,454	2.79
10172	Dogs STANDARD	184,996	2.33
10699	오늘 날짜 STANDARD	38,047	1.86

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