Solved by maboroshi

#	Title	# Solved	Avg. Tries
30033	Rust Study	1,488	1.38
30802	Welcome Kit	10,596	1.87
30876	Tren del Fin del Mundo	846	1.34
31048	Last Factorial Digit	530	1.18
31403	$A + B - C$	12,216	1.58
31654	Adding Trouble	2,158	1.20
32384	사랑은 고려대입니다	2,150	1.24

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