#include "stdafx.h"
#include <boost/regex.hpp>
#include <boost/signals.hpp>
#include <boost/lambda/lambda.hpp> 

#include <iostream> 
#include <cassert> 
 
struct print_sum { 
  void operator()(int x, int y) const { std::cout << x+y << std::endl; } 
}; 
 
struct print_product {
 
  void operator()(int x, int y) const { std::cout << x*y << std::endl; }
 
};

int _tmain(int argc, _TCHAR* argv[])
{
    boost::signal2<void, int, int, boost::last_value<void>, std::string> sig;
    sig.connect(print_sum());
    sig.connect(print_product());
    sig(3, 5);
    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;
}