old_contents: import sys
  def main():
      LargestProduct = -sys.maxsize-1
      number=input().strip()
      for i in range(len(number)-13):
          product=1
          for j in range(13):
              product *= int(number[i+j])
          if product > LargestProduct:
              LargestProduct = product
      print(LargestProduct)
  
  
  if __name__ == '__main__':
      main()
  
new_contents: import sys
  def main():
      LargestProduct = -sys.maxsize-1
      number=input().strip()
      for i in range(len(number)-12):
          product=1
          for j in range(13):
              product *= int(number[i+j])
          if product > LargestProduct:
              LargestProduct = product
      print(LargestProduct)
  
  
  if __name__ == '__main__':
      main()
  
subject: Update sol1.py (#643)