> <span class="n">getLine</span><span class="p">(</span><span class="s">"Enter a number to check (enter to quit): "</span><span class="p">);</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">number</span> <span class="o">==</span> <span class="s">""</span><span class="p">)</span> <span class="p">{</span>
            <span class="k">break</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">if</span> <span class="p">(</span><span class="o">!</