int pin = 2;
int buttonValue;
int dur = 100;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(pin, INPUT);
  digitalWrite(pin, HIGH);
}

void loop() {
  buttonValue = digitalRead(pin);
  Serial.print("Your button is: ");
  Serial.println(buttonValue);
  delay(dur);
}