Solved by sejinjin

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	346,667	2.54
7287	Registration STANDARD	60,665	1.92
10171	Cats STANDARD	179,359	2.81
10172	Dogs STANDARD	175,351	2.34
10699	오늘 날짜 STANDARD	34,462	1.84

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