Solved by rnrghks1

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	327,264	2.59
1001	A-B STANDARD	281,339	1.45
1008	A/B STANDARD	232,641	2.89
2557	Hello World STANDARD	361,443	2.54
10869	사칙연산 STANDARD	232,357	2.24
10926	??! STANDARD	138,283	1.99
10998	A×B STANDARD	234,872	1.30

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