classes.cpp: In function `int main()':
classes.cpp:29: error: no matching function for call to `
   std::basic_istream<char, std::char_traits<char> >::get(char[50])'
/usr/include/c++/3.3/bits/istream.tcc:453: error: candidates are: typename
   _Traits::int_type std::basic_istream<_CharT, _Traits>::get() [with _CharT =
   char, _Traits = std::char_traits<char>]
/usr/include/c++/3.3/bits/istream.tcc:484: error:
   std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT,
   _Traits>::get(_CharT&) [with _CharT = char, _Traits =
   std::char_traits<char>]
/usr/include/c++/3.3/bits/istream.tcc:516: error:
   std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT,
   _Traits>::get(_CharT*, int, _CharT) [with _CharT = char, _Traits =
   std::char_traits<char>]
/usr/include/c++/3.3/istream:328: error:
   std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT,
   _Traits>::get(_CharT*, int) [with _CharT = char, _Traits =
   std::char_traits<char>]
/usr/include/c++/3.3/bits/istream.tcc:555: error:
   std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT,
   _Traits>::get(std::basic_streambuf<_CharT, _Traits>&, _CharT) [with _CharT =
   char, _Traits = std::char_traits<char>]
/usr/include/c++/3.3/istream:361: error:
   std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT,
   _Traits>::get(std::basic_streambuf<_CharT, _Traits>&) [with _CharT = char,
   _Traits = std::char_traits<char>]