001package algs31;
002import stdlib.*;
003import algs35.ST;
004
005public class XCount {
006
007        public static void main(String[] args)
008        {
009                ST<String, Integer> st = new ST<>();
010                for (int i = 0; !StdIn.isEmpty(); i++)
011                {
012                        String key = StdIn.readString();
013                        st.put(key, i);
014                }
015                for (String s : st.keys())
016                        StdOut.println(s + " " + st.get(s));
017        }
018}