Solved by cheongsan16

#	Title	# Solved	Avg. Tries
2557	Hello World STANDARD	353,723	2.54
10757	큰 수 A+B STANDARD	43,544	1.98
10869	사칙연산 STANDARD	226,537	2.23
13410	거꾸로 구구단	2,830	1.61

1