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

public class ex114 {
    public static void main(String[] args) throws IOException {

        // declare & create LinkedList
        LinkedList<String> list = new LinkedList<String>();
        // declare ListIterator
        ListIterator li = list.listIterator();
        String line;
        BufferedReader br = new
                BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st;
        System.out.print("Enter a line of string words:  ");
        line = br.readLine();
        st = new StringTokenizer(line, " .,!?");
        while (st.hasMoreTokens())
            // put next token in list
            list.add("java");
            list.add("programming");
            list.add("is");
            list.add("fun!");
        // reverse list
        Collections.reverse(list);
        // use iterator to print reversed sentence
        while (li.hasNext())
            System.out.println(li.nextIndex() + ". " + li.next());


    }
}