노트

c, zero = map(int, input().split()) money = int(str(1)+ "0"*zero) m = c//money n = c % money if zero==0: print(c) else: if n >= money//2: price = money*(m+1) else: price = money*m print(price)

n = int(input()) li = dict() for i in range(n): a,b = input().split() if b =='enter': li[a]=b else: del li[a] li=sorted(li.keys(),reverse=True) for i in li: print(i)