unsigned long maxx = 5000;
unsigned long button = 2;
int led_click = 3;
int pinButton = 5;
int stateButton;

void setup() {
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(button, INPUT);
  digitalWrite(button, HIGH);
  pinMode(led_click, OUTPUT);
  pinMode(pinButton, INPUT);
}


void loop() {
  unsigned long mill = millis();

  if (maxx > mill){
     digitalWrite(LED_BUILTIN, HIGH);
  }
  stateButton = digitalRead(pinButton);
  if ( stateButton==HIGH){
    digitalWrite(led_click, HIGH);
    maxx += 5000;
    delay(500);
    digitalWrite(led_click, LOW);
  }
 if(mill > maxx){
  digitalWrite(LED_BUILTIN, LOW);

 if (stateButton==HIGH){
    maxx = mill + 8000;
 }
   }

 }