#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);;
}
}