@loop:
subleq @tmp2, @IN
subleq @tmp, @tmp2, @done
subleq @sum, @tmp
subleq @tmp2, @tmp2
subleq @tmp, @tmp, @loop
@done:
subleq @OUT, @sum
subleq @sum, @sum
subleq @tmp2, @tmp2
subleq @tmp, @tmp, @loop
@sum: .data 0
@tmp: .data 0
@tmp2: .data 0