void setup() 
{
  pinMode(OUTPUT,11);
}

void loop() {
  // put your main code here, to run repeatedly:
 
int i=0;
do{
 i++;
 tone(11, 500);
 delay(2000);
 noTone(11);
 delay(2000);
 }
 while(i<3);
 tone(11,300);
 delay(500);
 tone(11,200);
 delay(1000);
 noTone(11);
 tone(11,100);
 delay(2000);
 exit(loop);
}