Solved by rkfhxh1

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	326,787	2.59
1001	A-B STANDARD	280,915	1.45
2557	Hello World STANDARD	360,948	2.54
2920	NOTE	56,423	1.74
10869	사칙연산 STANDARD	231,984	2.24

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