Solved by myeong_lan

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	322,179	2.59
1001	A-B STANDARD	276,788	1.44
1008	A/B STANDARD	228,440	2.90
2557	Hello World STANDARD	356,027	2.54
10869	사칙연산 STANDARD	228,205	2.24
10998	A×B STANDARD	230,804	1.30

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