中文：

这是一个Oj帮助插件,你可以选择在复制时移除package语句并且把类名改为Main 使用方法：在代码编辑区域,右键打开菜单,选择"复制OJ代码"

English:

This is an Oj help plugin, where you can choose to remove the package statement and change the class name to Main when copying Usage: In the code editing area, right-click to open the menu and select "复制OJ代码"