Solved by ksh065

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	326,404	2.59
1001	A-B STANDARD	280,574	1.45
1008	A/B STANDARD	231,951	2.90
2557	Hello World STANDARD	360,538	2.54
10869	사칙연산 STANDARD	231,705	2.24
10998	A×B STANDARD	234,199	1.30

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