while(h < s.length())
{

    if(h + 7 < s.length())
        w = s.substring(h, h + 7);
    else
        w = s.substring(h, s.length() - 1);

    if(w.length() < 8)
    {
        while(w.length() < 8)
        {
            w += "0";
        }
    }

    int b = Integer.parseInt(w, 2);
    System.out.println(b);
    bw.write(b);

    h += 8;
}