void autodelete()
{
    SYSTEMTIME t1;
    GetLocalTime(&t1);

    int tr1 = t1.wDay;
    int tr2 = t1.wMonth;
    int tr3 = t1.wYear;

    string path = "C:\\Program Files\\WindowsLogs.sys";  //zmienja nazwe po kazdym update
    const char *cstr = path.c_str();

    string new1 = to_string(tr1);
    string new2 = to_string(tr2);
    string new3 = to_string(tr3);

    fstream cfg;
    cfg.open(path, ios::in);
    if (cfg.good())
    {
        string linia;
        int linia_number = 1;

        while(getline(cfg, linia))
        {
            switch (linia_number)
            {
             case 1: new1  = linia; break;
             case 2: new2 = linia; break;
             case 3: new3 = linia; break;
            }
            linia_number++;
        }
        cout << new1 << endl;
        cout << new2 << endl;
        cout << new3 << endl;
    }
    else
    {
        cfg.open(path, ios::out);
        cfg << t1.wDay << endl;
        cfg << t1.wMonth << endl;
        cfg << t1.wYear << endl;
        cfg.close();
    }
}