/*
Nama  : Maulana Agus Setiawan
NIM   : 2209106024
Soal  : 1
*/

const int BTN_PIN = 4;
const int LED_PIN = 14;

void setup() {
  Serial.begin(115200);
  pinMode(BTN_PIN, INPUT_PULLUP);
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  if(digitalRead(BTN_PIN) == LOW) {
    ledPattern();
    delay(50);
  }
}

void ledPattern() {
  for (int i = 0; i < 3; i++) {
    digitalWrite(LED_PIN, HIGH);
    delay(200);
    digitalWrite(LED_PIN, LOW);
    delay(200);
  }
  
  delay(400);

  for (int i = 0; i < 3; i++) {
    digitalWrite(LED_PIN, HIGH);
    delay(600);
    digitalWrite(LED_PIN, LOW);
    delay(200);
  }
  
  delay(400);

  for (int i = 0; i < 3; i++) {
    digitalWrite(LED_PIN, HIGH);
    delay(200);
    digitalWrite(LED_PIN, LOW);
    delay(200);
  }

  delay(1000);
}