n class='fl'>100L</span>, <span class='fl'>500L</span><span class='op'>)</span> <span class='op'>+</span> <span class='fl'>1000L</span> <span class='op'>*</span> <span class='op'>(</span><span class='va'>y</span> <span class='op'>%in%</span> <span class='va'>letters</span><span class='op'>[</span><span class='fl'>1</span><span class='op'>:</span><span class='fl'>2</span><span class='op'>]</span><span class='op'>)</span>
<span class='op'>}</span>
<span class='va'>tmp</span><span class='op'>$</span><span clas