const int buttonpin = 2; 
int buttonstate = 0;


void setup() {
  DDRB |= B00111000;
  DDRB |= B01010100;

  //inicializiramo naključni generator
  randomSeed(analogRead(0)); // Uporabimo vhod A1 za inicailizacijo
  pinMode( buttonpin, INPUT_PULLUP);

}

void loop() {
  buttonstate = digitalRead(buttonpin);

  if (buttonstate == LOW){
  int random_number = random(0, 8);
  digitalWrite(11, random_number & 0b001 ? HIGH : LOW);
  digitalWrite(12, random_number & 0b010 ? HIGH : LOW);
  digitalWrite(13, random_number & 0b100 ? HIGH : LOW);
  
  while (digitalRead(buttonpin) == LOW){

  }}
  

}