#include <iostream>
#include <stdio.h> 
#include <stdlib.h>    
 
using namespace std;
                    
													        
class ilk_sinif
{
public:
	void goster(){ cout<<"ilk sinif calisti"<<endl;	}

};


class baska_sinif{
	
	public :
		
	 int x;
	 int y;
	 
	 baska_sinif(int a, int b):x(a),y(b) {
	 cout<<"baska sinif calisti"<<endl;
	 cout<<"x: "<<this->x << " " << "y: "<< this->y<<endl;
      }
	 
	 baska_goster(){cout<<"baska sinif calisti"<<endl; }
	 
	 baska_sinif* deger_ver(int c, int k){
	 	
	 	this->x=c;
	 	this->y=k;
	 	
	 	return this;
	 	
	 }
		
};

 
int main()
{
  
  ilk_sinif ilk_sinif_nesnesi;

  
  cout<<"ilk sinif nesne adresi: "<< &ilk_sinif_nesnesi<<endl;
  cout<<endl;

  ((baska_sinif*)&ilk_sinif_nesnesi)->baska_goster();
 
  cout<< ((baska_sinif*)&ilk_sinif_nesnesi)->x <<endl;
 
  cout<<((baska_sinif*)&ilk_sinif_nesnesi)->y <<endl;
  
  cout<<endl;
  
 cout<< "x deger: " << (((baska_sinif*)&ilk_sinif_nesnesi)->deger_ver(10, 20))->x << endl;

 cout<< "y deger: " << (((baska_sinif*)&ilk_sinif_nesnesi)->deger_ver(10, 20))->y << endl;
 
 cout<<endl;
 cout<< "adres:" << ((baska_sinif*)&ilk_sinif_nesnesi)<<endl;
 

  return 0;

}