#include <iostream>
using namespace std;
class xyz_helper
{
protected:
int x;
public:
xyz_helper():x(0){}
};
class final_helper: public xyz_helper
{
public:
final_helper(): xyz_helper()
{
}
void set_and_print()
{
xyz_helper::x = 10;
cout<<" value of x is "<<xyz_helper::x<<endl;
}
};
int main() {
final_helper obj;
obj.set_and_print();
// your code goes here
return 0;
}
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