pinMode(LED_kuning, OUTPUT);
pinMode(LED_merah, 0UTPUT);
digitalWrite(LED_hijau, LOW);
digitalWrite(LED_kuning, LOW);
digitalWrite(LED_merah, LOW);
void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:
if(digitalRead(tombol) == HIGH){
  status++;
  delay(500);
}
if(status == 3){
  digitalWrite(LED_hijau, HIGH);
}
else if(status == 2){
  digitalWrite(LED_kuning, HIGH);
}
else if(status == 1){
  digitalWrite(LED_merah, HIGH);
}
else if(status == 4){
  status + 0;
}
else{