int led=13;
int button=9;
int buttonState;
void setup() {
  // put your setup code here, to run once:
  pinMode(led, OUTPUT);
  pinMode(button, INPUT);
  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
  //Serial.println("Hello");
  //delay(1000);
  buttonState=digitalRead(button);
  Serial.println(buttonState);
  delay(1000);
}