# 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.

total = []
for num in range(1,1000):
	if num % 3 == 0:
		total.append(num)
	elif num % 5 == 0:
		total.append(num)

print sum(total)
