#include <iostream.h>

class myOldClass
{
public:
   int i1;

   void func1(int i)
   {
      cout << "Invoking myOldClass.func1(int)" << endl;
      i1 = i1 + i;
   }
};

class myNewClass : public myOldClass
{
public:
   int i2;

   void func2(int i)
   {
      cout << "Invoking myNewClass.func2(int)" << endl;
      i2 = i2 - i;
   }
};

int main(int argc, char *argv[])
{
   myOldClass A;
   myNewClass B;

   B.i1 = B.i2 = 0;

   B.func1(1);
   cout << B.i1 << "\t" << B.i2 << "\n";

   B.func2(9);
   cout << B.i1 << "\t" << B.i2 << "\n";

}