Solved by cloudy_jhkim

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	302,733	2.57
1001	A-B STANDARD	259,476	1.44
1008	A/B STANDARD	212,887	2.90
2557	Hello World STANDARD	335,345	2.54
10869	사칙연산 STANDARD	212,759	2.22
10926	??! STANDARD	121,112	1.98
10998	A×B STANDARD	215,314	1.30

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