const int buttonPin = 8;

void setup()
{
  Serial.begin( 9600);
  Serial.println( "The sketch with delay has started");

  pinMode( buttonPin, INPUT_PULLUP);
}

void loop()
{
  if( digitalRead( buttonPin) == LOW)
  {
    Serial.println( "V V");
    delay( 500);
    Serial.println( "V V");
    delay( 500);
    Serial.println( "V V");
    delay( 500);
    Serial.println( "------------------");
  }
}