lw $1,1($0)
lw $2,2($0)
lw $3,3($0)
add $4,$1,$2
sub $5,$3,$1
and $6,$1,$1
and $7,$1,$2
or $8,$2,$2
or $9,$2,$3
sw $5,5($0)
sw $4,4($0)
sw $0,0($0)
end