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.
In [2]:
x = 0
y = 0
while x < 1000:
x = x + 1;
if (x % 3 == 0):
y = y + x
elif (x % 5 == 0):
y = y + x
print(y)
In [ ]:
# This cell will be used for grading, leave it at the end of the notebook.