Solved by leehyunbin

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	366,782	2.54
7287	Registration STANDARD	64,092	1.92
10171	Cats STANDARD	190,403	2.78
10172	Dogs STANDARD	185,867	2.33
10699	오늘 날짜 STANDARD	38,352	1.86

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