#define LED_HIJAU 13
#define LED_BIRU 12
#define LED_MERAH 11
#define TOMBOL 7

int status = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode(LED_HIJAU, OUTPUT);
  pinMode(LED_BIRU, OUTPUT);
  pinMode(LED_MERAH, OUTPUT);
  pinMode(TOMBOL, INPUT);
  digitalWrite(LED_HIJAU, LOW);
  digitalWrite(LED_BIRU, LOW);
  digitalWrite(LED_MERAH, LOW);


}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(TOMBOL) == HIGH){
    status++;
    delay(100);
  }

  if(status == 1){
    digitalWrite(LED_HIJAU, HIGH);
  }
  else if(status == 2){
    digitalWrite(LED_BIRU, HIGH);
  }
  else if(status == 3){
    digitalWrite(LED_MERAH, HIGH);
  }
  else if(status == 4){
    status = 0;
  }
  else{
    digitalWrite(LED_HIJAU, LOW);
    digitalWrite(LED_BIRU, LOW);
    digitalWrite(LED_MERAH, LOW);
  }
}