define number = 0, base = 0, sum = 0

input "number: ", number
input "base: ", base

if number < 0 then

	let number = number * -1

endif

if base < 2 then

	let base = 2

endif

do

	if number > 0 then

		let sum = sum + number % base
		let number = int(number / base)

	endif

loop number > 0

print "sum of digits in base ", base, ": ", sum

end