arduino IDE code

#include<Wire.h>
#include<LiquidCrystal_I2C.h>
#include <Servo.h>  
Servo servo1;
LiquidCrystal_I2C lcd(0x27,16,2);
int IRSensor = 2;
int IRSensor2 = 3;
int IRSensor3 = 4;
int led=13;
// Define pins for ultrasonic and buzzer
int const trigPin = 10;
int const echoPin = 9;
//int const trigPin2 = 6;//outgoing
//int const echoPin2 =7 ;
int const buzzPin = 5;
long duration1;//duration2;
int distance1;//distance2;
int safetyDistance1;//safetyDistance2;

void setup()
{
  servo1.attach(11); 
  pinMode(IRSensor,INPUT);
  pinMode(IRSensor2,INPUT);
  pinMode(IRSensor3,INPUT);
 /* pinMode(trigPin, OUTPUT); // trig pin will have pulses output
pinMode(echoPin, INPUT); // echo pin should be input to get pulse width
pinMode(buzzPin, OUTPUT); // buzz pin is output to control buzzering*/
pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output
pinMode(echoPin, INPUT); // Sets the echoPin as an Input
//pinMode(trigPin2, OUTPUT); // Sets the trigPin as an Output
//pinMode(echoPin2, INPUT); // Sets the echoPin as an Input
pinMode(buzzPin, OUTPUT);


  lcd.begin();

  lcd.backlight();
  lcd.clear();
    lcd.setCursor(2,0);
    lcd.print("Smart Parking ");
    lcd.setCursor(0,1);
    lcd.print("Free:");
    pinMode (led, OUTPUT); // Led pin OUTPUT
    Serial.begin(9600);
  }
  

 void loop()
 {
  
  int statusSensor = digitalRead(IRSensor);
  int statusSensor2 = digitalRead(IRSensor2);
  int statusSensor3 = digitalRead(IRSensor3);
  
// Clears the trigPin
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
//digitalWrite(trigPin2, LOW);
//delayMicroseconds(2);

// Sets the trigPin on HIGH state for 10 micro seconds
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
//digitalWrite(trigPin2, HIGH);
//delayMicroseconds(10);
//digitalWrite(trigPin2, LOW);

// Reads the echoPin, returns the sound wave travel time in microseconds
duration1 = pulseIn(echoPin, HIGH);
//duration2 = pulseIn(echoPin2, HIGH);

// Calculating the distance
distance1= duration1*0.034/2;
Serial.print("Distance Incoming: ");
Serial.println(distance1);
delay(10);
//distance2= duration2*0.034/2;
//Serial.print("Distance Outgoing: ");
//Serial.println(distance2);
//delay(10);

safetyDistance1 = distance1;
//safetyDistance2 = distance2;
if (safetyDistance1 <= 12){
  digitalWrite(buzzPin, HIGH);
 // delay(10);
  
}
else{
  digitalWrite(buzzPin, LOW);
  
}
 /*if (safetyDistance2 <= 10){
  digitalWrite(buzzPin, HIGH);
  delay(20);
  
}
else{
  digitalWrite(buzzPin, LOW);
  
}*/

// Prints the distance on the Serial Monitor
if(statusSensor3==0 && statusSensor2==0 && statusSensor==0){
  servo1.write(0);
  delay(2000);}
 else{
servo1.write(0);
  if(distance1 < 15){
  servo1.write(90);
  delay(2000);}
  if(distance1 > 15){
  servo1.write(0);
  delay(2000);}
  //else
  //{servo1.write(0);
  //}
 }
//if(statusSensor3==0&&statusSensor2==0&&statusSensor==0)
//  {
//    digitalWrite(led,HIGH);
//    Serial.println("FULL");
//    lcd.clear();
//    lcd.setCursor(-1,0);
//    lcd.print("ALL SLOTS ");
//    lcd.setCursor(-1,1);
//    lcd.print("ARE FILLED ");
//    delay(100);
//  }
  //lcd.clear();
  

  if(statusSensor==1)
  {
    
    digitalWrite(led,LOW);
    Serial.println("SLOT 1 FREE");
    lcd.setCursor(7,1);
    lcd.print("1");
  }
   if(statusSensor==0)
  {
    digitalWrite(led,HIGH);
    Serial.println("SLOT 1 OCCUPIED");
    lcd.setCursor(7,1);
    lcd.print(" ");
    delay(100);
  }
   if(statusSensor2==1)
  {
    digitalWrite(led,LOW);
    Serial.println("SLOT 2 FREE");
    lcd.setCursor(10,1);
    lcd.print("2");
  }
   if(statusSensor2==0)
  {
    digitalWrite(led,HIGH);
    Serial.println("SLOT 2 OCCUPIED");
    lcd.setCursor(10,1);
    lcd.print(" ");
    delay(100);
  }
  if(statusSensor3==1)
  {
    digitalWrite(led,LOW);
    Serial.println("SLOT 3 FREE ");
    lcd.setCursor(13,1);
    lcd.print("3");
  }
   if(statusSensor3==0)
  {
    digitalWrite(led,HIGH);
    Serial.println("SLOT 3 OCCUPIED");
    lcd.setCursor(13,1);
    lcd.print(" ");
    delay(100);
  }


 }