#include
using namespace std;
class BaseClass {
int i;
protected:
int j;
public:
int k;
void setInt(int a) {
i = a;
}
int getInt() {
return i;
}
};
class DerivedClass : protected BaseClass { // Inherit BaseClass as protected.
public:
void setj(int a) {
j = a;
}
void setk(int a) {
k = a;
}
int getj() {
return j;
}
int getk() {
return k;
}
};
int main()
{
DerivedClass ob;
ob.setk(10);
cout << ob.getk() << ' ';
ob.setj(12);
cout << ob.getj() << ' ';
return 0;
}