Solved by yds98

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	319,833	2.59
1001	A-B STANDARD	274,668	1.44
2557	Hello World STANDARD	353,414	2.54
10869	사칙연산 STANDARD	226,333	2.23
10926	??! STANDARD	132,958	1.99
10998	A×B STANDARD	228,913	1.30

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