rd</span><span class='S0'>&nbsp;</span> <span class='S10'>=</span><span
    class='S0'>&nbsp;</span> <span class='S11'>current</span><span class='S0'>&nbsp;</span> <span
    class='S10'>-</span><span class='S0'>&nbsp;</span> <span class='S4'>1</span><span
    class='S10'>;</span><span class='S0'><br />
    </span> &nbsp;&nbsp;&nbsp;&nbsp;<span class='S5'>while</span><span class='S0'>&nbsp;</span>
    <span class='S10'>(</span><span class='S11'>startword</span><span class='S0'>&nbsp;</span>
    <span class='