int button = 15;
int nilai_tombol;
int count = 0;

int led_1 = 5;
int led_2 = 33;

void setup() {
  pinMode(button, INPUT);
  pinMode(led_1, OUTPUT);
  pinMode(led_2, OUTPUT);
  
}

void loop() {
  nilai_tombol = digitalRead(button);
  
  if(nilai_tombol == HIGH) {
    count++;
    delay(1000);
  }
    if (count == 1 ){
      digitalWrite(led_1, HIGH);
      digitalWrite(led_2, LOW);
      delay(500);
      digitalWrite(led_1, LOW);
      digitalWrite(led_2, HIGH);
      delay(500); 
    }
    if (count == 2) {
      digitalWrite(led_1, LOW);
      digitalWrite(led_2, LOW);
      delay(500);
      count = 0;
    }
  

}