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package jfile;

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

 public class Main {

   public static void main(String[] args) throws FileNotFoundException {

          File inputFile = new File("inputFileName.txt");

           Scanner in = new Scanner(inputFile);

           PrintWriter out = new PrintWriter("outputFileName.txt");

           int lineNumber = 1;

           while ( in.hasNextLine() ) {

                   String line = in.nextLine();

                   out.println("/* " + lineNumber + " */ " + line);

                   lineNumber++; }

           out.close();
     }
  }