@0


@1
MOV UP, RIGHT

@2
S: MOV UP, ACC
JGZ B
JEZ Z
MOV LEFT, ACC
MOV RIGHT, NIL
JMP O
B: MOV LEFT, NIL
MOV RIGHT, ACC
JMP O
Z: MOV LEFT, ACC
ADD RIGHT
O: MOV ACC, DOWN

@3
MOV UP, LEFT

@4


@5


@6
MOV UP, DOWN

@7


@8


@9
MOV UP, DOWN

@10

