#define button 4
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
}

void loop() {
  // put your main code here, to run repeatedly:
  //delay(10); // this speeds up the simulation
  int Val = digitalRead(button);
  Serial.print("Value = ");
  Serial.println(Val);
  delay(1000);
}