Arduino Parking Lot

Here is the code:
/*ParkingL02.pde
Arduining.com 08 JUL 2012
Code used in the production of the Youtube material.
*/

#include <Servo.h>
Servo myservo; // create servo object to control a servo

#define ServoM 12 //Connected to the servo motor.
#define Bright 11 //servo library disable PWM on pins 9 and 10.
#define Exit 9 //Pin connected to the EXIT button.
#define In 8 //Pin connected to the IN button.

#define BarLow 177 //Low position of the barrier.
#define BarUp 95 //Up position of the barrier.
#define CAPACITY 8 //Capacity of the parking lot.
#define INTEN 80 //Display intensity %

//Pins conections to segments (cathodes).
#define segA 0
#define segB 1
#define segC 2
#define segD 3
#define segE 4
#define segF 5
#define segG 6

//Array with the segments to represent the decimal numbers (0-9). byte segments[10] = {
// pgfedcba <--- segments B00111111, // number 0 B00000110, // number 1 B01011011, // number 2 B01001111, // number 3 B01100110, // number 4 B01101101, // number 5 B01111101, // number 6 B00000111, // number 7 B01111111, // number 8 B01101111 // number 9
};

void setup(){ myservo.attach(ServoM); // attaches the servo.

pinMode(Exit, INPUT); // set "EXIT" button pin to input pinMode(In, INPUT); // set "IN" button pin to input digitalWrite(Exit, HIGH); // Connect Pull-Up resistor. digitalWrite(In, HIGH); // Connect Pull-Up resistor. pinMode(segA,OUTPUT); pinMode(segB,OUTPUT); pinMode(segC,OUTPUT); pinMode(segD,OUTPUT); pinMode(segE,OUTPUT); pinMode(segF,OUTPUT); pinMode(segG,OUTPUT); pinMode(Bright,OUTPUT); analogWrite(Bright,255*INTEN/100); myservo.write(BarLow); //Barrier in the low position
// delay(1000);
}

int Available= 9; // Number of places available.