package FileSystem;                    
import java.util.*;
import java.io.*;

// A class that generates lines from the input. You need not modify this file.

public class InputSource {

    private BufferedReader in;
    private String prompt;

    public InputSource ( ) {
		try {
			in = new BufferedReader (new InputStreamReader (System.in));
		} catch (Exception e) {
			System.err.println ("Couldn't access keyboard!");
			System.exit (1);
		}
		prompt = "> ";
    }
    
    public InputSource (String fileName) {
		try {
			in = new BufferedReader (new InputStreamReader (new FileInputStream (fileName)));
		} catch (Exception e) {
			System.err.println ("Couldn't access file!");
			System.exit (1);
		}
		prompt = "";
    }
	
	// Return the tokens on the next line.
	// Tokens are delimited by whitespace.
	// A null result means no more input;
	// a blank line is represented by a zero-element token array.
    public String [ ] nextLine ( ) {
		String line = "";
		System.out.print (prompt);
		try {
			line = in.readLine ( );
		} catch (IOException e) {
			System.err.println ("input error");
			System.exit (1);
		}
		if (line == null) {
			return null;
		}
		StringTokenizer tokens = new StringTokenizer (line);
		String [ ] toReturn = new String [tokens.countTokens ( )];
		int k=0;
		while (tokens.hasMoreElements ( )) {
			toReturn[k] = (String) tokens.nextElement ( );
			k++;
		}
		return toReturn;
    }
    
    public static void main (String [ ] args) {
    	InputSource in;
    	if (args.length == 0) {
    		in = new InputSource ( );
    	} else {
    		in = new InputSource (args[0]);
    	}
    	String [ ] strings;
    	while (true) {
    		strings = in.nextLine ( );
    		if (strings == null) {
    			System.exit (0);
    		}
    		for (int k=0; k<strings.length; k++) {
    			System.out.print ("|" + strings[k]);
    		}
    		System.out.println ("|");
    	}
    }
}