void setup() {
  DDRB = 0B00000000;
  DDRD = 0XFF;
}

void loop() {
  if ( PINB == 0B00000010 ){
    delay(300);
    for( int i = 0 ; i < 5 ; i++ ){
      for( int i = 2 ; i < 257 ; i = i*2 ){
        PORTD = i - 1;
        delay(120);
    }
      PORTD = 0B00000000;
      delay(100);
    }
  }
  if ( PINB == 0B00000001 ){
    delay(300);
    for( int i = 0 ; i < 5 ; i++ ){
      for( int i = 128 ; i > 0 ; i = i / 2 ){
        PORTD = PORTD + i;
        delay(120);
    }
      PORTD = 0B00000000;
      delay(100);
    }
}
}