void setup() {
  // put your setup code here, to run once:
  DDRD |= 0b00000011;
  // DDRD &= 0b11111100;
  // // DDRD = 0xFC;
  // DDRB = 0b00000011;
  // PORTD = 0b11111100;
  // PORTB = 0b00000011;
}

void loop() {
  // put your main code here, to run repeatedly:

}