\[ \begin{align} &\texttt{Function Name = Welcome;} \&\mathrm{Begin} \&\space\space\texttt{$\mathrm{if}$ (You are a student of Hanggao $\mathrm{or}$ Very Huge) $\mathrm{Then}$} \&\space\space\space\space\texttt{please input your name;} \&\space\space\texttt{$\mathrm{Else}$} \&\space\space\space\space\texttt{Please connect mt19337 first;} \&\mathrm{End} \\end{align} \]
原文：https://www.cnblogs.com/dgklr/p/11551603.html