#include <string.h>
#include <stream.h>
class String {
   char* _s;
public : // member functions
   ~String() { cout << "1\n"; }
   String() { cout << "2\n"; }
   String(char* s) { cout << "3\n"; }
   void operator=(char* s) { cout << "4\n"; }
   void operator=(String& s) { cout << "5\n"; }
   String& operator+(char* s) { cout << "6\n"; return *this; }
   String& operator+(String& s) { cout << "7\n"; return *this; }
};
class StringArray {
   String _array[2];
public : // member functions
   ~StringArray() { cout << "8\n"; }
   StringArray() { cout << "9\n"; }
   String& operator[](int i) { cout << "10\n"; return _array[i]; }
};

void main()
{
   StringArray x[2];
   x[0][0] = "9819049"; /***/
   x[1][0] = x[0][0] + "taegyun";
}