import java.util.*;
import java.io.*;
public class task3i
{
	static ArrayList wordArray = new ArrayList();
	static ArrayList<String>noDupes = new ArrayList();
	static ArrayList<String>Dupes = new ArrayList();
	public static void main(String [] args)
	{
    	try
    	{
        	FileReader FR1 = new FileReader("ImportantSentence.txt");
        	BufferedReader BR1 = new BufferedReader(FR1);
        	String speech;
        	while((speech = BR1.readLine())!= null)
        	{
            	String [] yeha = speech.split(" ");
            	Dupes.addAll(Arrays.asList(yeha));
        	}
        	for(int i=0; i<Dupes.size(); i++)
        	{
            	if(noDupes.contains(Dupes.get(i))==false)
            	{
                	int PosOfWord = i;
                	wordArray.add(PosOfWord + 1);
                	noDupes.add(Dupes.get(i));
            	}
            	else
            	{
                	int PosOfWord = Dupes.indexOf(Dupes.get(i));
                	wordArray.add(PosOfWord + 1);
            	}
        	}
    	}
    	catch(Exception ex)
    	{
        	System.out.println("Error Occurred");
    	}
    	for(int i=0; i<noDupes.size();i++)
    	{
        	int position = Integer.parseInt(wordArray.get(i).toString());
        	Dupes.add(noDupes.get(position-1));
    	}
    	try
    	{
        	int counter =0; //counter to control list
        	BufferedWriter BW1 = new BufferedWriter(new FileWriter("wordfile1.txt"));
        	BufferedWriter BW2 = new BufferedWriter(new FileWriter("wordfile2.txt"));
        	do
        	{
            	BW1.write(Dupes.get(counter).toString() + " ");
            	counter++;
        	}while(counter < Dupes.size());
        	BW1.close();
        	counter =0;
        	do
        	{
            	BW2.write(noDupes.get(counter).toString() + " ");
            	counter++;
        	}while(counter < noDupes.size());
        	BW2.close();
    	}
    	catch(Exception ex)
    	{
        	System.out.println("Error occured when writing file.");
    	}
	}
}