@0
ADD UP
MOV ACC, RIGHT

@1
ADD UP
MOV LEFT, DOWN
MOV ACC, DOWN
MOV ACC, DOWN
MOV RIGHT, DOWN
MOV RIGHT, DOWN

@2
S: ADD UP
SAV
SUB RIGHT
JLZ B
SWP
MOV ACC, LEFT
MOV 3, LEFT
MOV RIGHT, NIL
JMP S
B: MOV RIGHT, LEFT
MOV 4, LEFT
SWP

@3
ADD UP
MOV ACC, LEFT
MOV ACC, LEFT

@5
S: MOV UP, ACC
SUB UP
JLZ B
ADD UP
SUB UP
JLZ C
MOV 1, DOWN
JMP D
B: MOV UP, ACC
SUB UP
JLZ C
MOV 2, DOWN
D: MOV UP, NIL
JMP S
C: MOV UP, DOWN

@9
MOV UP, DOWN
