Solved by phw3071

#	Title	# Solved	Avg. Tries
10998	A×B STANDARD	231,225	1.30
10869	사칙연산 STANDARD	228,641	2.24
2557	Hello World STANDARD	356,566	2.54
1001	A-B STANDARD	277,268	1.44
1000	A+B STANDARD	322,713	2.59

1