Solved by otool

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	330,748	2.59
1001	A-B STANDARD	284,408	1.45
1008	A/B STANDARD	235,417	2.90
2557	Hello World STANDARD	365,498	2.54
10869	사칙연산 STANDARD	235,054	2.24
10926	??! STANDARD	140,631	1.99
10998	A×B STANDARD	237,644	1.30
18108	1998년생인 내가 태국에서는 2541년생?!	132,916	1.57

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