(Solved) : Import Javaio Import Javautil Import Javautilscanner Import Javalangstring Public Class Pa Q34201261 . . . .

import java.io.*;

import java.util.*;

import java.util.Scanner;

import java.lang.String;

public class Parser {

public static Scanner scanner;

public static String leng;

public static int count;

public static void main(String[] args) {

System.out.println(“E -> P O P | P”); //

System.out.println(“O -> + | – | * | / | **”); //

System.out.println(“P -> I | L | UI | UL | (E)”);//

System.out.println(“U -> + | – | !”); //

System.out.println(“I -> C | CI”);

System.out.println(“C -> a | b | … | y | z “);

System.out.println(“L -> D | DL”);

System.out.println(“D -> 0 | 1 | … | 8 | 9 “);

// to read the file named ‘input.txt’

String KL;

Parser document = new Parser();

KL = “input.txt”;

if(document.open(KL)==