n class="keyword">if</span> <span class="special">(</span><span class="identifier">r</span><span class="special">)</span> <span class="special">{</span>
        <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"lines: "</span> <span class="special">&lt;&lt;</span> <span class="identifier">l</span> <span class="special">&lt;&lt;</span> <span class="string">", words: "</span> <span class="special">