int pButton = 9;
int LEDr = 10;

void setup() {
  pinMode(pButton,INPUT);
  pinMode(LEDr, OUTPUT);
  digitalWrite(LEDr, LOW);
}

void loop()
 {
  while (digitalRead(pButton)) {
    digitalWrite(LEDr, HIGH);
    delay(125);

    digitalWrite(LEDr, LOW);
    delay(125);
  }

digitalWrite(LEDr, HIGH);
delay(500);
digitalWrite(LEDr, LOW);
delay(500);
}