text: from tools import sum_divisible_by
  
  
  def solve():
      target = 999
      div_by_tree = sum_divisible_by(3, target)
      div_by_five = sum_divisible_by(5, target)
      div_by_fifteen = sum_divisible_by(3 * 5, target)
      ans = div_by_tree + div_by_five - div_by_fifteen
      print(ans)
  
  
  if __name__ == '__main__':
      solve()
  