void setup() {
  //tokaj nastavimo pine 11, 12 in 13 kot izhode (biti 3,4,5 v port B)
  DDRB |= B00111000;
  DDRD |= B00110000;
}

void loop() {
  PORTB |= B00100000;
  PORTD &= ~B00010000;
  delay(1000);
  PORTB &= ~B00100000;
  PORTB |= B00010000;
  PORTD |= B00100000;
  delay(1000);
  PORTB &= ~B00010000;
  PORTB |= B00001000;
  PORTD &= ~B00100000;
  delay(1000);
  // prižgemo LED na 11,12,13
  PORTB &= ~B00001000;
  PORTB |= B00111000;
  PORTD |= B00100000;
  PORTD |= B00010000;
  delay(1000);
  // ugasnemo LED na 11,12,13
  PORTB &= ~B00111000;
  PORTD &= ~B00100000;
  delay(1000);
}