Solved by dasuks

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	332,961	2.59
1001	A-B STANDARD	286,231	1.45
2557	Hello World STANDARD	367,986	2.53
4949	The Balance of the World	43,712	3.03
9012	Parenthesis	82,882	2.14
10773	Zero That Out	63,244	1.46
28278	스택 2	14,977	2.69

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