//
//	compile: javac Cmp.java
//	run:	 java Cmp f1.txt  f2.txt

import java.util.Scanner;
import java.io.File;

public class cmp
{
        public static void main(String[] args)
                throws java.io.FileNotFoundException
        {
                // input1: args[0]; input2: args[1]
		boolean done = false;
                if(args.length<2)
                        System.out.println("Need 2 files.\n\n");
                else
		{
                        Scanner input1 = new Scanner(new File(args[0]));
                        Scanner input2 = new Scanner(new File(args[1]));
                        String text1, text2;
			
			while(input1.hasNextLine())
			{
				if(!input2.hasNextLine() && !done)
				{	System.out.println("Not identical.\n\n");
					done = true;
				}
				else
				{	while(input2.hasNextLine() && !done)
					{	text1 = input1.nextLine();
                        			text2 = input2.nextLine();
						if(!text1.equals(text2))
						{	done = true;
							System.out.println("Not identical.\n\n");
						}
					}
				}
				//if(!done)
			}                        

                        input1.close();
                        input2.close();
                }
                System.out.println("\nByebye.\n");
        }
}