goto :Avoid*((:US+:DS+:LS+:RS)<4000)*2
i=2*(:DS<1000)-:US<1000 :FcuUpDown+=100*i
i=2*(:LS<1000)-:RS<1000 :FcuRightLeft+=100*i goto (i==0)*4
:FcuUpDown=0 :FcuRightLeft=0 goto1
// example of avoidance script