Solved by liha1110

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	305,835	2.57
1001	A-B STANDARD	262,270	1.44
2557	Hello World STANDARD	338,504	2.54
2744	대소문자 바꾸기 STANDARD	21,960	1.32
10998	A×B STANDARD	217,785	1.30

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