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

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

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

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

@5
MOV UP, DOWN

@9
S: MOV UP, ACC
SUB UP
JLZ B
MOV UP, DOWN
MOV UP, NIL
JMP S
B: MOV UP, NIL
MOV UP, DOWN
