robot

sub avanzar(){
    OnFwd(OUT_C,50);
    OnFwd(OUT_B,40);
    }



task main(){
int x=1;
SetSensorSound (IN_2);
SetSensorLight (IN_3);
SetSensorLowspeed (IN_4);

while (TRUE){
      NumOut(5,5, SENSOR_3);           //18-30
      if (x%2==1){
          Off(OUT_BC);
          OnFwd(OUT_C,50);
      }
      else if (x%2==0){
           Off(OUT_BC);
           OnFwd(OUT_B,40);
      }
      x++;

}

}