Paste: 123

#include <iostream>

using namespace std;

class Component
{
private:
    int com1;
public:
    Component(int com1)
    : com1(com1) {
        cout<<"c Component"<<endl;
    };
    ~Component(){
        cout<<"~Component"<<endl;
    };
};


class Derived
{
private:
    int der1;
    Component com1;
    Component com2;
public:
    Derived(int der1=0,Component com1={1},Component com2={2})
    : der1(der1),com1(com1),com2(com2)
    {cout<<"c Derived"<<endl;};

    // Derived()
    // // : der1(der1)
    // {cout<<"c Derived 2"<<endl;};

    ~Derived(){
        cout<<"~Derived"<<endl;
    };
};
class Derived2
{
private:
    int der1;
    Component com1;
    Component com2;
public:
    Derived2(int der1=0,Component com1={1},Component com2={2})
    : der1(der1),com1(com1),com2(com2)
    {cout<<"c Derived2"<<endl;};

    // Derived()
    // // : der1(der1)
    // {cout<<"c Derived 2"<<endl;};

    ~Derived2(){
        cout<<"~Derived2"<<endl;
    };
};


int main (void)
{

    {
        Derived d1;
        Derived2 d2;
        cout<<"-----------"<<endl;
    }
    // delete d1;
    // {
    //     Base b1;
    // }
    return 0;
}