@1
L: MOV UP, ACC
JEZ E
MOV ACC, DOWN
JMP L
E: MOV -999, DOWN

@4
MOV UP, DOWN

@8
S: MOV UP, ACC
JLZ F
MOV 1, RIGHT
L: ADD UP
JLZ F
MOV 1, RIGHT
ADD UP
JLZ F
MOV 1, RIGHT
JMP L
F: MOV -999, RIGHT
ADD 999
MOV ACC, DOWN

@9
L: ADD LEFT
JGZ L
ADD 999
MOV ACC, DOWN
MOV 0, ACC
