void exit_course (float side)
{
int full_speed=90;

straight(-full_speed,-full_speed,38.,0);
turn(-116.*side,50);
straight(full_speed,full_speed,30.,0);
turn(-96.*side,50);
straight(full_speed,full_speed,50.,1);
while(1){
if(sensor_check()==1)
{
straight(-full_speed,-full_speed,2.,0);
turn(15.,50);
straight(full_speed,full_speed,100.,1);
}
if(sensor_check()==3)
{
straight(-full_speed,-full_speed,2.,0);
turn(-15.,50);
straight(full_speed,full_speed,100.,1);
}
}
}