@0
S:ADD UP
SAV
SUB RIGHT
JLZ L
MOV ACC RIGHT
MOV 1 RIGHT
JRO 999
L:MOV 0 RIGHT
MOV 2 RIGHT
SWP

@1
SWP
ADD UP
MOV ACC LEFT
SAV
ADD RIGHT
ADD LEFT
JLZ A
JRO RIGHT
A:MOV LEFT NIL
MOV ANY DOWN

@2
B: SUB UP
SAV
SUB RIGHT
JGZ A
ADD RIGHT
MOV ACC LEFT
MOV 3 LEFT
JMP B
A: MOV RIGHT LEFT
SWP
MOV 4 LEFT

@3
SUB UP
MOV ACC LEFT
MOV ACC LEFT

@4


@5
MOV UP DOWN

@6


@7


@8


@9
MOV UP DOWN

@10


@11