Solved by phw3071

#	Title	# Solved	Avg. Tries
10998	A×B STANDARD	223,780	1.30
10869	사칙연산 STANDARD	221,206	2.23
2557	Hello World STANDARD	346,451	2.54
1001	A-B STANDARD	268,873	1.44
1000	A+B STANDARD	313,207	2.58

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