void setup() {
  // put your setup code here, to run once:
   pinMode(10, OUTPUT);
   pinMode(9, OUTPUT);
   pinMode(8, OUTPUT);
   pinMode(5, INPUT_PULLUP);

}

void loop() {
  // put your main code here, to run repeatedly:
  int bs=digitalRead(5);
  if(bs==HIGH)
    {
      digitalWrite(10, LOW);
      digitalWrite(9, LOW);
      digitalWrite(8, LOW);
    }
    else
    {
      digitalWrite(10, HIGH);
      delay(500);
      digitalWrite(10,LOW);
      delay(500);
    
    
  for(int i=0;i<2;i=i+1)
  {
      digitalWrite(9, HIGH);
      delay(500);
      
	digitalWrite(9,LOW);
      delay(500);
  }
  for(int i=0;i<3;i=i+1)
  {
      digitalWrite(8, HIGH);
      delay(500);
      digitalWrite(8,LOW);
      delay(500);
  }
    }

}