@0
MOV UP RIGHT

@1
SUB LEFT
MOV LEFT NIL
MOV LEFT RIGHT

A: MOV ACC RIGHT
JMP A

@2
MOV UP NIL
MOV UP NIL
MOV UP NIL
MOV LEFT DOWN
B: MOV UP ACC
MOV -999 LAST
ADD LEFT
JEZ B
N:MOV UP ACC
MOV ACC ANY
ADD LEFT
JEZ B
MOV UP NIL
MOV LEFT DOWN
JMP B

@3


@4


@5


@6
SUB UP
MOV ACC DOWN
A: MOV UP DOWN
MOV ACC DOWN
JMP A

@7


@8


@9


@10
MOV 0 DOWN
MOV 0 DOWN
MOV 0 DOWN
A:MOV UP ACC
MOV 0 DOWN
ADD UP
JNZ A
B:MOV UP ACC
MOV 1 DOWN
ADD UP
JMP A