@0


@1
MOV UP, ACC
ADD ACC
SUB 1
L: MOV ACC, DOWN
SUB 4
JGZ L
MOV -1000, DOWN

@2


@3


@4
L2: ADD UP
JGZ L2
SUB -1000
MOV ACC, DOWN
SUB ACC

@5


@6


@7


@8
MOV UP, DOWN

@9

