// Challenge: Push Button 3 LED
// Wahyu Priambodo / TMJ 3B / 2207421048

#define LED_hijau 13
#define LED_biru 12
#define LED_merah 11
#define push_btn 7

int status = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode(LED_hijau, OUTPUT);
  pinMode(push_btn, INPUT);
  pinMode(LED_biru, OUTPUT);
  pinMode(LED_merah, OUTPUT);
  digitalWrite(LED_hijau, LOW);
  digitalWrite(LED_biru, LOW);
  digitalWrite(LED_merah, LOW);
}

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

  if(status == 1) {
    digitalWrite(LED_hijau, HIGH);
    digitalWrite(LED_merah, LOW);
  }
  else if(status == 2) {
    digitalWrite(LED_biru, HIGH);
    digitalWrite(LED_hijau, LOW);
  }
  else if(status == 3) {
    digitalWrite(LED_merah, HIGH);
    digitalWrite(LED_biru, LOW);
  }
  else if(status == 4) {
    status = 0;
  }
  else {
    digitalWrite(LED_hijau, LOW);
    digitalWrite(LED_biru, LOW);
    digitalWrite(LED_merah, LOW);
  }
}