# Sums the values from 0 to 10,000 inclusively
# only sum multiples of 3
total = 0
for i in range(10001):
	# only add to sum if the number is a multiple of 3
	if i % 3 == 0:
	    total += i    # "total += i" is shorthand for "total = total + i"
print("Sum of all numbers from [0,10000], multiples of 3:", total)