//int data = digitalRead(2);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(2, INPUT_PULLUP);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  /*digitalWrite(11, HIGH);
  digitalWrite(12, HIGH);
  digitalWrite(13, HIGH);*/
}

void loop() {
  // put your main code here, to run repeatedly:
  int data = digitalRead(2);

  if (data == LOW) {
    digitalWrite(11, HIGH);
    //digitalWrite(12, HIGH);
    //digitalWrite(13, HIGH);
  } else {
    digitalWrite(11, LOW);
  }
  Serial.println( data ); 
  delay(500);
}