#include<iostream>

 int n=;

 using namespace std;

  class Cbox{

          int a ;

          int b ;

          int c ;

      public:

          int g ;

      Cbox(int d):Cbox(){cout<<"dddd"<<endl;}

     Cbox(){cout<<"dddd1"<<endl;};

     ~Cbox(){cout<<a<<" "<<b<<" "<<c<<endl;}

  };

  int main(){

  int aa=;

  Cbox a() ;

  //Cbox b(a);//跟   Cbox b=a；   结果一样 

  }