Solved by sejinjin

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	370,355	2.53
7287	Registration STANDARD	64,590	1.92
10171	Cats STANDARD	192,327	2.78
10172	Dogs STANDARD	187,571	2.33
10699	오늘 날짜 STANDARD	38,926	1.86

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