Solved by songhyeon

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	302,980	2.57
1001	A-B STANDARD	259,695	1.44
1008	A/B STANDARD	213,072	2.90
2557	Hello World STANDARD	335,602	2.54
10869	사칙연산 STANDARD	212,934	2.22
10998	A×B STANDARD	215,498	1.30

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