class Card{
public Card pai(){
System.out.println("pai");
}
}
class FaPaiJi{
public Card fp(){
    return new Card();
}}
class People{
public Card work(FaPaiJi fpj){
   return fpj.fp
}}
class Test{
public static void main(String [] args){
Person p=new Person();
FaPaiJI fpj=new FaPaiJi();
Card c=p.work(fpj);
c.pai();
}
}

class Card{
public Card pai(){
System.out.println("pai");
}
}
class FaPaiJi{
public Card fp(){
    return new Card();
}}
class People{
public Card work(FaPaiJi fpj){
   return fpj.fp
}}
class Test{
public static void main(String [] args){
Person p=new Person();
FaPaiJI fpj=new FaPaiJi();
Card c=p.work(fpj);
c.pai();
}
}