package com.javarush.task.task19.task1923;

/*
Слова с цифрами
*/

import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Solution {
    public static void main(String[] args) throws IOException {

        String fn1 = args[0];
        String fn2 = args[1];
        FileReader fr = new FileReader(fn1);
        FileWriter fw = new FileWriter(fn2);
        BufferedReader br = new BufferedReader(fr);

        while (br.ready()) {
            String[] str = br.readLine().split(" ");
            for (String word : str) {
                Pattern p = Pattern.compile( ".*\\d.*");
                Matcher m = p.matcher(word);
                while (m.find()) {
                    fw.write(word + " ");
                }
            }
        }
        fr.close();
        fw.close();
        br.close();

    }
}