как быть?
package com.javarush.task.task19.task1908;
import java.io.*;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/*
Выделяем числа
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
FileReader file1 = new FileReader(reader.readLine());
FileWriter file2 = new FileWriter(reader.readLine());
Scanner scanner = new Scanner(file1);
String s = scanner.nextLine();
Pattern p = Pattern.compile("[\\d]+");
Matcher m = p.matcher(s);
while(m.find()) {
file2.write(m.group() + " ");
}
file1.close();
file2.close();
}
}