@1
L: MOV UP, ACC
JNZ V
MOV -999, DOWN
SWP
MOV ACC, DOWN
JMP L
V: SWP
ADD 1
SWP
MOV ACC, DOWN

@4
L: ADD UP
JGZ L
ADD 999
MOV UP, RIGHT
MOV ACC, DOWN
MOV 0, ACC

@5
MOV LEFT, DOWN

@8
MOV UP, DOWN

@9
MOV UP, DOWN
