kb.java

模拟彩票系统

import java.io.*;

class KB 
{
	public static String scan()
	{
		String str="";
		try
		{
			BufferedReader buf=new BufferedReader(new InputStreamReader(System.in));
			str=buf.readLine();
		}
		catch (Exception e)
		{
		}
		return str;
	}
}