/** @file list5203.cpp */
/** Listing 52-3. The main Program for Testing is_palindrome */
int main()
{
  std::locale::global(std::locale(""));
  std::wcin.imbue(std::locale());
  std::wcout.imbue(std::locale());

  std::wstring line;
  while (std::getline(std::wcin, line))
    if (is_palindrome(line))
      std::wcout << line << L'\n';
}