span> <span class="identifier">input</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="identifier">qi</span><span class="special">::</span><span class="identifier">int_</span><span class="special">,</span> <span class="identifier">ascii</span><span class="special">::</span><span class="identifier">space</span><span class="special">);</span>

<span class="keyword">if</span> <span class="special">(</span><span class="identifier">result</span><