Solved by sejinjin

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	361,336	2.54
7287	Registration STANDARD	63,290	1.92
10171	Cats STANDARD	187,677	2.79
10172	Dogs STANDARD	183,325	2.33
10699	오늘 날짜 STANDARD	37,428	1.85

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