="special">**</span> <span class="identifier">argv</span><span class="special">)</span>
<span class="special">{</span>
    <span class="keyword">if</span><span class="special">(</span><span class="identifier">argc</span> <span class="special">!=</span> <span class="number">2</span><span class="special">)</span>
    <span class="special">{</span>
        <span class="identifier">std</span><span class="special">::</span><span class="identifier">cerr</span> <span class="special">&lt;&lt;</span>
            <sp