void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(2, OUTPUT);
  pinMode(0, OUTPUT);
  pinMode(4, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  // delay(1000); // this speeds up the simulation

  if(digitalRead(16) == 0){
    Serial.println("0");
    digitalWrite(4, HIGH);
    digitalWrite(0, LOW);
    digitalWrite(2, LOW);
    delay(6000);
    digitalWrite(4, HIGH);
    digitalWrite(0, HIGH);
    digitalWrite(2, LOW);
    delay(2000);
    digitalWrite(4, LOW);
    digitalWrite(0, LOW);
    digitalWrite(2, HIGH);
    delay(6000);
    digitalWrite(4, LOW);
    digitalWrite(0, HIGH);
    digitalWrite(2, LOW);
    delay(2000);
  }
  else {
    Serial.println("1");
    digitalWrite(2, LOW);
    digitalWrite(0, HIGH);
    digitalWrite(4, LOW);
    delay(2000);
    digitalWrite(2, LOW);
    digitalWrite(0, LOW);
    digitalWrite(4, HIGH);
    delay(6000);
  }
}