Constructor and Destructor in Inheritance

//Multiple Inheritance C++
#include<iostream>
using namespace std;
class Base1
{
public:
Base1()//default constructor
{
cout<<endl<<"I am default constructor of Base1";
}
void fun1()
{
cout<<endl<<"I am fun1 of Base1 class";
}
void fun2()
{
cout<<endl<<"I am fun2 of Base1 class";
}
};//end of Base class
class Base2
{
public:
Base2()//default constructor
{
cout<<endl<<"I am default constructor of Base2";
}
void fun3()
{
cout<<endl<<"I am fun3 of Base2";
}
void fun4()
{
cout<<endl<<"I am fun4 of Base2";
}
};//end of Base2
class Derived : public Base1,public Base2 //multiple inheritance
{
public:
Derived()//default constructor
{
cout<<endl<<"default constructor of Derived";
}
void fun5()
{
cout<<endl<<"I am fun5 of derived class";
}
void fun6()
{
cout<<endl<<"I am fun6 of derived class";
}

};//end of Derived class

int main()
{
Derived d;//object of Derived class

}//end of main