task main()
{
SetSensorTouch(S1);                   //This program needs a Touch Sensor in Port 1,
SetSensorUltrasonic(S2);              //an Ultrasonic Sensor in Port 2,
SetSensorLight(S3);                   //and a Light Sensor in Port 3.
SetSensorMode(S1, SENSOR_MODE_BOOL);  //Set the Touch Sensor to Boolean Mode.
SetSensorMode(S2, SENSOR_MODE_RAW);   //Set the Ultrasonic Sensor to Raw Mode.
SetSensorMode(S3, SENSOR_MODE_RAW);   //Set the Light Sensor to Raw Mode.
int touched

while (ButtonPressed)

  {
  "body"
  }
}
//NOTES:

//To read the Ultrasonic Sensor, use SensorUS(port). The port must be configured as a Lowspeed port
//before using this function. This returns the ultrasonic sensor distance value (0..255).