import java.io.StreamTokenizer;
import java.io.*;
import java.util.Hashtable;
import java.net.URL;

public class Parser {

    Hashtable ht;
    Hashtable aht;

    public void start() {
        ht = new Hashtable(30);
	  aht = new Hashtable(70);

        // open file
	  try {
            URL inputFile = new URL("http://acg.media.mit.edu/mas962/ps1/code.txt");
		StreamTokenizer st = new StreamTokenizer(inputFile.openStream());
		int ttt = st.nextToken();

		st.toString();
		String key = st.sval;

            ttt = st.nextToken();
		st.toString();
            String object = st.sval;
	      System.err.println(key+" : "+object);


           // get first pair
 	     while(ttt != st.TT_EOF){
               ht.put(key, object);
               // get next pair
  	         ttt = st.nextToken();
               st.toString();
	         key = st.sval;
               ttt = st.nextToken();
               st.toString();
               object = st.sval;
      	   System.err.println(key+" : "+object);
           }

		String foo = new String("0");
		ht.put(foo, foo);
		foo = new String("1");
		ht.put(foo, foo);
		foo = new String("2");
		ht.put(foo, foo);
		foo = new String("3");
		ht.put(foo, foo);
		foo = new String("4");
		ht.put(foo, foo);
		foo = new String("5");
		ht.put(foo, foo);
		foo = new String("6");
		ht.put(foo, foo);
		foo = new String("7");
		ht.put(foo, foo);
		foo = new String("8");
		ht.put(foo, foo);
		foo = new String("9");
		ht.put(foo, foo);

        } catch (Exception e) {
            System.err.println("mari ex!: " + e);
        }

    }

    public String parse(String key) {

	  String obj = (String)ht.get(key);   
	  return obj;

    }

}