Solved by vkvl6414

#	Title	# Solved	Avg. Tries
27433	팩토리얼 2	17,051	2.08
27866	문자와 문자열 STANDARD	60,785	1.48
28702	FizzBuzz	6,883	1.62
30802	Welcome Kit	10,380	1.87
31403	$A + B - C$	12,023	1.58

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