// #include <ctime>


void setup() {
  // put your setup code here, to run once:
  // DDRD |= (1<<DDD2);
  // DDRD |= 0xfc;
  // srand((unsigned int)time(NULL));
}

void loop() {
  // put your main code here, to run repeatedly:
  // PORTD ^= (1<<PIND2);
  // PORTD ^= (1<<PIND6); 
  // _delay_ms(1000);
  // PORTD &= ~(1<<PIND2);
  // _delay_ms(1000);

  for(int i = 2;i<8;i++){
    int num = rand()%8;
    PORTD ^= (0x01<<num);
    delay(200);
  }

}