int button = 35;
int led = 33;
int buttonState;

void setup() {
pinMode (led,OUTPUT);
pinMode(button, INPUT);
Serial.begin(9600);
}

void loop() {
buttonState = digitalRead(button);

if (buttonState ==1) {
digitalWrite(led, HIGH);
Serial.println(buttonState);
}

  else {
digitalWrite(led, LOW);
Serial.println(buttonState);
  }
}