#include<ESP32Servo.h>
#include <LiquidCrystal.h>
LiquidCrystal lcd(23, 22, 21, 19, 18, 5);
Servo s;

void setup() {
lcd.begin(16,2);
s.attach(2);
pinMode(12,INPUT);
pinMode(13,INPUT);
}
int c=0;
void loop() {
  if(digitalRead(12) && c<15)
{
  s.write(0);
  delay(5000);
  s.write(90);
  c+=1;
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("People = ");
  lcd.print(c);
}
  else
  {
    if(digitalRead(13) &&c!=0)
  {
  s.write(0);
  delay(5000);
  s.write(90);
  c--;
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("People = ");
  lcd.print(c);
  }
  else if(c==15)
  {
    lcd.setCursor(0,1);
    lcd.print("Room is full");
  }
  }
}