int main()
{
    Client testClient1;
    Client testClient2("Franciszek", "Demski", "123456789");
    Address testAddress("Nowodworska", "15/33");

    std::cout << testClient1.clientInfo() << std::endl;
    std::cout << testClient2.clientInfo() << std::endl;

    testClient1.setAddress(&testAddress);
    testClient2.setAddress(&testAddress);

    std::cout << testClient1.clientInfo() << std::endl;
    std::cout << testClient2.clientInfo() << std::endl;

    testAddress.setStreet("Dolna");

    std::cout << testClient1.clientInfo() << std::endl;
    std::cout << testClient2.clientInfo() << std::endl;


    return 0;
}