@1
S: MOV UP, ACC
MOV ACC, DOWN
JEZ O
MOV -1, DOWN
SWP
ADD 1
SWP
JMP S
O: MOV 1, DOWN
SWP
MOV ACC, DOWN

@4
ADD UP
JRO UP
MOV ACC, DOWN
MOV UP, DOWN
MOV 0, ACC

@8
MOV UP, DOWN
MOV UP, RIGHT

@9
MOV LEFT, DOWN
