#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C a(0x27,16,2);
int b;
void setup() {
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, INPUT_PULLUP);
  pinMode(5, INPUT_PULLUP);
  // put your setup code here, to run once:
a.init();
a.backlight();
a.print("projek antrian");
}

void loop() {
  if(digitalRead(5)==0){
    a.clear();
    b++;
digitalWrite(3, HIGH);
a.setCursor(0,0);
a.print("nomor ke ");a.print(b);
delay(250);
digitalWrite(3, LOW);



  }
  if(b>500|digitalRead(4)==0){
    b=0;
    digitalWrite(2, HIGH);
    a.clear();
    a.setCursor(0,0);
    a.print("antrian kereset");
    a.setCursor(0,1);
    a.print("ke ");
     a.print(b);
  delay(250);
  digitalWrite(2,LOW);}
  // put your main code here, to run repeatedly:

}