Solved by narakou

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	361,336	2.54
2884	SPAVANAC	169,871	2.64
10828	스택	78,235	2.62
10869	사칙연산 STANDARD	232,264	2.24
11382	꼬마 정민 STANDARD	94,594	2.48

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