import java.util.*;
import java.net.*;
import java.io.*;

class s03  {
	
              public static void main(String[] args) {
 String masin="http://www.yahoo.com";
 String aadress[]=new String[1000];
 String puhas[]=new String[1000];
String kataloog,abi, viimane;
int aarv=0, parv=0, i;
int reas=0;

                  try {
                      URL yahoo = new URL("http://www.yahoo.com/");
                      DataInputStream dis = new DataInputStream(yahoo.openStream());
                      String inputLine;
			String sisu="";

                      while ((inputLine = dis.readLine()) != null) {
                          System.out.println(inputLine);
			sisu+=inputLine;
                      }
                      dis.close();
			  
       boolean nextIsTag = false ;
       for ( StringTokenizer tags = new StringTokenizer(sisu, "<>", true );
             tags.hasMoreTokens(); ) {
         String tag = tags.nextToken();
         if ( tag.equals( "<" ) )    {
           nextIsTag = true ;
           continue ;
         }
         if ( nextIsTag ) {
           for ( StringTokenizer params = new StringTokenizer( tag, "\t\n\r\"= " );
                 params.hasMoreTokens(); ) {
             String param = params.nextToken().toLowerCase();
             if ( param.equals( "href" ) && params.hasMoreTokens() )
		{aadress[aarv++]=params.nextToken();}
         }
         nextIsTag = false ;
       }}
                  } catch (MalformedURLException me) {
                      System.out.println("MalformedURLException: " + me);
                  } catch (IOException ioe) {
                      System.out.println("IOException: " + ioe);
                  }
              
for(i=0; i<aarv; i++){
System.out.println(aadress[i]);
if(aadress[i].substring(0,1).equals("/"))
 aadress[i]=masin+aadress[i];
if(aadress[i].indexOf("?")>-1)
  aadress[i]=aadress[i].substring(0,aadress[i].indexOf("?")); 
System.out.println(aadress[i]+" uus");}

while(reas==0)
{
int il;
reas=1;
for(il=0; il<aarv-1; il++){
 if(aadress[il].compareTo(aadress[il+1])>0){
 reas=0; 
 abi=aadress[il]; 
 aadress[il]=aadress[il+1];
 aadress[il+1]=abi;}}
}
System.out.println("vahe");

for(i=0; i<aarv; i++)
 System.out.println(aadress[i]);

parv=0;
puhas[parv++]=aadress[0];
viimane=puhas[0];
for(i=0; i<aarv; i++){
if (viimane.compareTo(aadress[i])!=0){
 puhas[parv++]=viimane; viimane=aadress[i];
}
}

for(i=0; i<parv; i++) System.out.println(puhas[i]);


}
          }