Solved by rsp9

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	358,065	2.54
7287	Registration STANDARD	62,682	1.92
10171	Cats STANDARD	185,713	2.80
10172	Dogs STANDARD	181,425	2.33
10699	오늘 날짜 STANDARD	36,720	1.84

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