import java.io.*;
import java.net.*;
import java.util.StringTokenizer;
public class Asona4{
  public static void main(String argumendid[])
  throws IOException{
    BufferedReader klaviatuur=new BufferedReader(
      new InputStreamReader(System.in)
    );
    System.out.println("Palun URL:");
    String url=klaviatuur.readLine();
    System.out.println("Palun täht");
    String taht=klaviatuur.readLine();
    BufferedReader sisse=new BufferedReader(
      new InputStreamReader(
        new URL(url).openConnection().
                     getInputStream()
      )
    );
    String lause=sisse.readLine();
    while(lause!=null){
      StringTokenizer st=new StringTokenizer(lause, " ");
      while(st.hasMoreTokens()){
        String sona=st.nextToken();
        if(sona.startsWith(taht))System.out.println(sona);
      }
    lause=sisse.readLine();
    }
  }
}