import java.io.*;
import java.util.*;

class InputData
{
	static private String s=" ";
	static public void input()
	{
		BufferedReader  br = new BufferedReader(
                            new  InputStreamReader(System.in));
        try{
        	s=br.readLine();
        	}catch ( IOException  e ) { } ;
     }
        static public String getString()
        {
        	input();
        	return s;
        }
}   	

class CFoundName
{
	String[] Names={"Wang","Li","Zhao","Liu","Cao"};
	void find()
	{
		Vector names=new Vector();
		String s;
		for(int i=0;i<Names.length;i++)
		 names.add(Names[i]);
		 System.out.print("請輸入一個姓名：");
		 s=InputData.getString();
		 if (names.indexOf(s)!=-1)
		   System.out.println("找到此人!");
		   else
		   System.out.println("查無此人!");
	}
}
	
public class FoundName 
{
	public static void main(String args[]) 
	{
		CFoundName f=new CFoundName();
		f.find();		
	}
}