COPYFROM 15
ADD      15
COPYTO   11
ADD      15
COPYTO   7

JUMP     next

out:
OUTBOX

next:
COPYFROM 14
COPYTO   0
INBOX
SUB      15
JUMPN    y0
ADD      15
SUB      11
JUMPN    y1
ADD      11
SUB      7
JUMPN    y2
OUTBOX
BUMPUP   0
BUMPUP   0
BUMPUP   0
JUMP     out

y0:
ADD      15
OUTBOX
COPYFROM 0
JUMP     out

y1:
ADD      11
SUB      15
OUTBOX
BUMPUP   0
JUMP     out

y2:
ADD      7
SUB      11
OUTBOX
BUMPUP   0
BUMPUP   0
JUMP     out