import java.io.*;

public class Dabsearch {

   public static void main(String[] args) throws Exception {
       BufferedReader dablist = new BufferedReader(new InputStreamReader(new FileInputStream("disambiguation.txt")));
       BufferedReader watchlist = new BufferedReader(new InputStreamReader(new FileInputStream("watchlist.txt")));
       BufferedWriter output = new BufferedWriter(new FileWriter("output.txt"));
       String watch, dab;
       watch = watchlist.readLine();
       while (watch != null) {
           dab = dablist.readLine();
           while (dab != null) {
               if (dab.equals(watch)) {
                   output.write(dab);
                   break;
               }
               dab = dablist.readLine();
           }
           dablist.close();
           dablist = new BufferedReader(new InputStreamReader(new FileInputStream("disambiguation.txt")));
           watch = watchlist.readLine();
       }
       dablist.close();
       watchlist.close();
       output.close();
   }

}