org 100

input

store x

input

store y

JnS prod

Load sum

store e

input

store x

input

store y

jns prod

load sum

store f

load e

add f

output

halt

sum, dec 0

one, dec 1

ctr, dec 0

x, dec 0

y, dec 0

e, dec 0

f, dec 0

prod, hex 0

load y

store ctr

clear

store sum

Loop, Load sum

Add x

Store sum

Load ctr

Subt one

Store ctr

Skipcond 400

Jump Loop

load sum

JumpI prod