Solved by uyeonpy

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	334,690	2.54
7287	Registration STANDARD	58,550	1.92
10171	Cats STANDARD	172,500	2.83
10172	Dogs STANDARD	168,789	2.35
10699	오늘 날짜 STANDARD	32,031	1.84

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