Solved by dkdldjsskdlxm

#	Title	# Solved	Avg. Tries
10869	사칙연산 STANDARD	221,286	2.23
2557	Hello World STANDARD	346,667	2.54
1008	A/B STANDARD	221,528	2.90
1000	A+B STANDARD	313,406	2.58

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