Что не так подскажите
package com.javarush.task.task19.task1924;
import java.io.*;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Solution {
public static Map<Integer, String> map = new HashMap<Integer, String>();
static {
map.put(0, "ноль");
map.put(1, "один");
map.put(2, "два");
map.put(3, "три");
map.put(4, "четыре");
map.put(5, "пять");
map.put(6, "шесть");
map.put(7, "семь");
map.put(8, "восемь");
map.put(9, "девять");
map.put(10, "десять");
map.put(11, "одиннадцать");
map.put(12, "двенадцать");
}
public static void main(String[] args) throws IOException {
// write your code here
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
String fileName = bufferedReader.readLine();
bufferedReader.close();
FileReader fileReader = new FileReader(fileName);
BufferedReader bufferedReader1 = new BufferedReader(fileReader);
fileReader.close();
String stroka = "";
String line = "";
while ((line = bufferedReader1.readLine()) != null) {
Pattern pattern = Pattern.compile("\\b\\d+\\b");
Matcher matcher = pattern.matcher(line);
int ustavka1 = 0;
while (matcher.find()) {
int count = Integer.parseInt(line.substring(matcher.start() + ustavka1, matcher.end() + ustavka1));
if (count < 13 && count > -1) {
line = line.substring(0, matcher.start() + ustavka1) + map.get(count) + line.substring(matcher.end() + ustavka1);
ustavka1 = ustavka1 + map.get(count).length() - 1;
}
}
stroka += line + "\n";
}
System.out.println(stroka);
bufferedReader1.close();
}
}