Solved by dongmin1250

#	Title	# Solved	Avg. Tries
2439	별 찍기 - 2 STANDARD	170,365	1.79
2440	별 찍기 - 3 STANDARD	64,171	1.46
8393	Sum STANDARD	168,791	1.56
9498	시험 성적 STANDARD	206,928	1.83
10172	Dogs STANDARD	181,425	2.33
10869	사칙연산 STANDARD	229,722	2.24

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