text: '''
  Problem 1
  05 October 2001
  
  If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.
  
  Find the sum of all the multiples of 3 or 5 below 1000.
  '''
  
  print sum([x for x in range(1000) if (x % 3 == 0) or (x % 5 == 0)])
  