@0
ADD UP
MOV ACC, RIGHT
MOV ACC, RIGHT
MOV ACC, RIGHT

@1
S: ADD UP
MOV RIGHT, DOWN
MOV RIGHT, DOWN
SUB LEFT
JGZ W
MOV LEFT, DOWN
MOV 1, DOWN
ADD LEFT
JMP S
W: ADD LEFT
MOV ACC, DOWN
MOV 2, DOWN
MOV LEFT, NIL

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

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

@5
S: MOV UP, ACC
SAV
MOV UP, ACC
SUB UP
JGZ B
MOV UP, DOWN
JMP S
B: MOV UP, NIL
SWP
MOV ACC, DOWN

@9
MOV UP, DOWN
