#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.


class Problem_1:
  def __init__(self):
    self.result = 0

  def solve(self, limit):
    for i in range(limit):
      if i % 3 == 0 or i % 5 == 0:
        self.result = self.result + i

    return self.result


p = Problem_1()
print (p.solve(1000))

