#include <iostream>

using namespace std;

class A{
    int b;
public:
    A(){
        cout<<"Constructor for class A called\n";
        b = 6;
    }
    ~A(){
        cout<<"Destructor called for class A\n";
    }
};

class B{
    A a;
public:
    B(){
        cout<<"Constructor for class B called\n";
    }
    ~B(){
        cout<<"Destructor called for class B\n";
    }
};


int main(void){
    B obj1;
    return 0;
}