void setup() {
  // put your setup code here, to run once:
pinMode(13,OUTPUT);
pinMode(6,INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
int x=digitalRead(6);
if(x==HIGH)
{
  tone(13,500);
  digitalWrite(13,HIGH);
}
 else
{
   digitalWrite(13,LOW);
   noTone(13);
}
}