an> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"Los Angeles 1984"</span>, <span class="st">"Barcelona"</span>, <span class="st">"1992"</span>, <span class="st">"Atlanta 1996"</span>, <span class="st">"Sydney 2000"</span>, <span class="st">"London"</span>, <span class="st">"2012"</span><span class="op">)</span>,</span>
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