int button = 8;
int bel = 5;

void setup() {
  pinMode (button, INPUT);
  pinMode(bel, OUTPUT);
}

void loop() {
  int data =digitalRead(8);
  if(data == HIGH){
    digitalWrite(bel, HIGH);
    tone(bel);
  }
  else{
    digitalWrite(5,LOW);
    noTone(bel);
  }
}