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

void loop() {
  // put your main code here, to run repeatedly:
Serial.println(digitalRead(1));
if (digitalRead(2) == 0){
  digitalWrite(13, HIGH);
  delay(500);
  digitalWrite(13, LOW);
  delay(500);
}else{
  digitalWrite(13, LOW);

  }
}