Solved by mhkr03

#	Title	# Solved	Avg. Tries
27433	팩토리얼 2	16,129	2.09
27866	문자와 문자열 STANDARD	57,102	1.48
28702	FizzBuzz	5,768	1.61
30802	Welcome Kit	8,574	1.86
31403	$A + B - C$	10,083	1.58

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