public void shiftAC(int left, int right)
    {
        if(left < 0 || left > 9)
        {
            return;
        }

        if(right < 0 || right > 9)
        {
            return;
        }

        while(left != 0)
        {
            AC.setCarry(getACValue() / 100);
            setACValue((getACValue() % 100) * 10);

            left--;
        }

        while(right != 0)
        {
            setACValue(AC.getCarry() * 100 + getACValue() / 10);
            AC.setCarry(0);
            
            right--;
        }
    }