@1
MOV UP, ACC
MOV ACC, DOWN
MOV ACC, DOWN

@5
SUB UP
MOV ACC, RIGHT
MOV UP, ACC

@6
L: MOV LEFT, ACC
JGZ S
NEG
S: SUB 9
MOV ACC, DOWN

@9
MOV UP, NIL
MOV 0, DOWN
L: MOV UP, ACC
JGZ O
MOV 0, DOWN
JMP L
O: MOV 1, DOWN
JMP L
