Solved by leehyunbin

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	358,620	2.54
7287	Registration STANDARD	62,793	1.92
10171	Cats STANDARD	186,034	2.79
10172	Dogs STANDARD	181,732	2.33
10699	오늘 날짜 STANDARD	36,847	1.85

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