程序不包含静态Main

Question

我收到“程序不包含适合入口点的静态'Main'方法”错误。 我不知道需要将Main放置在哪里以及Main如何获得入口点。

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  <p class="article--text">
    Brandon used his own birthday for his lucky lotto numbers. He picked 
    <span class="number-pick--in-text">1</span> 
    <span class="number-pick--in-text">3</span> 
    <span class="number-pick--in-text">9</span> 
    <span class="number-pick--in-text">12</span> 
    <span class="number-pick--in-text">43</span>  
    <span class="number-pick--in-text">4</span>. 
    He bought his ticket at a local convience store and found out the next day that he won the $150 million jackpot.
  </p>
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