Solved by kp8230

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	323,705	2.59
1001	A-B STANDARD	278,166	1.45
2557	Hello World STANDARD	357,658	2.54
10869	사칙연산 STANDARD	229,443	2.24
10998	A×B STANDARD	232,030	1.30

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