#include <iostream>
#include <string>
using namespace std;

class CBase {
    string name;
public:
    CBase(string s) : name(s) {
        cout << "BASE: " << name << endl;
    }
    ~CBase() {
        cout << "~BASE" << endl;
    }
};

class CDerive : public CBase {
    int age;
public:
    CDerive(string s, int a) : CBase(s), age(a) { 
        cout << "DERIVE: " << age << endl;
    }
    ~CDerive() { 
        cout << "~DERIVE" << endl;
    }
};

int main ( ) 
{
    CDerive d("小雅", 27);

    return 0;
}