pbj0812의 코딩 일기

import sysimport math # Auto-generated code below aims at helping you parse# the standard input according to the problem statement. n = int(input())q=""for i in input().split(): digit = int(i) q+=str(digit)# Write an action using print# To debug: print("Debug messages...", file=sys.stderr)print(0 if int(q)==0 else "".join(sorted(q)[::-1]))