void printCleanList(CleanList& cleanList)
{
    clrscr();
    if (cleanList.size() == 0)
    {
        cout << "Irasu apie valymus nera" << endl;
    }
    else
    {    
        cout << "Valymu sarasas:" << endl;
        cout << endl;
        cout << "Valymo data: " << "Kiekis: " << "Isvalytas daiktas: " << "Pelnas: " << endl;
        CleanList::iterator iter = cleanList.begin();
        for (;  iter != cleanList.end();  iter++)
            (*iter)->print();
        cout << endl;   
    }      
}  
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void Clean::print() 
{
    cout << getDate() << "  |  " 
         << getAmount() << "  |  "
         << getStuff()->getName() << "  |  "
         << getIncome() <<endl;
}