Solved by cloudy_jhkim

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	302,346	2.57
1001	A-B STANDARD	259,136	1.44
1008	A/B STANDARD	212,578	2.90
2557	Hello World STANDARD	334,891	2.54
10869	사칙연산 STANDARD	212,448	2.22
10926	??! STANDARD	120,833	1.98
10998	A×B STANDARD	215,011	1.30

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