# include <boost/regex.hpp>
# include <iostream>
# include <string>

int main ( )
{
  std::string line;
  boost::regex pat( "^Subject: (Re: |Aw: )*(.*)" );

  while (std::cin)
  {
    std::getline(std::cin, line);
    boost::smatch matches;
    if (boost::regex_match(line, matches, pat))
      std::cout << matches[2] << std::endl;
  }

  return 0;
}