import java.io.*;
import java.util.*;
import java.util.regex.*;

class ParseEmail1 {
    public static void main(String[] args) throws IOException {
        Reader r = new BufferedReader(new FileReader("message1.txt"));
        Scanner message = new Scanner(r);
        String line;
        String headers="";
        
        // read headers
        while ( message.hasNextLine() ) {
            line = message.nextLine();
            // check for end of headers
            if ( line.length()==0 ) {
                break;
            }
            headers += line + "\n";
        }
        
        // join lines that were split
        Pattern p = Pattern.compile("\n[ \t]+");
        Matcher m = p.matcher(headers);
        System.out.print( m.replaceAll(" ") );
        
        // now we have all the header in one big string.

        // read message body
        while ( message.hasNextLine() ) {
            line = message.nextLine();
            // do something with each line...
        }
    }
}