output_description: Print the smallest possible sum of the digits in the decimal notation of a
  positive multiple of K.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      K
attempt: # D-small multiple
  k = int(input())
  maxi = 10**10
  for i in range(1, 5 * 10**5 + 1):
      a = str(k * i)
      sums = 0
      for j in range(len(a)):
          sums += int(a[j])
      maxi = min(maxi, sums)
  print(maxi)
  
problem_description: Statement
  
  Find the smallest possible sum of the digits in the decimal notation of a
  positive multiple of K.
samples: [{"input": "6", "output": "3\n    \n\n12=6\u00d72 yields the smallest sum.\n\n* * *"}, {"input": "41", "output": "5\n    \n\n11111=41\u00d7271 yields the smallest sum.\n\n* * *"}, {"input": "79992", "output": "36"}]