题解 | #表示数字#

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.temporal.ChronoUnit;
import java.util.*;
import java.util.stream.IntStream;
import java.util.stream.Stream;

import static java.util.Arrays.*;
import static java.util.stream.Stream.*;


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

        testTh();
    }

    private static void testTh() throws IOException {
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        String str;
        while ((str = bf.readLine()) != null) {
            char[] chars = str.toCharArray();
            StringBuilder sb = new StringBuilder();
            String reg = "\\d";
            int j = 0;
            int flag = 0;

            loop:
            for (int i = 0; i < chars.length; i++) {
                String s = chars[i] + "";
                if (s.matches(reg)) {
                    sb.append("*").append(chars[i]);
                    j = i + 1;
                    if (j == chars.length) {
                        sb.append("*");
                        break;
                    }
                    while (chars[j] >= '0' && chars[j] <= '9') {
                        sb.append(chars[j]);
                        flag = 1;
                        j++;
                        if (j == chars.length) {
                            sb.append("*");
                            break loop;
                        }
                    }
                    if (flag == 0) {
                        sb.append("*").append(chars[j]);
                        i = j;
                    }
                    if (flag == 1) {
                        sb.append("*").append(chars[j]);
                        i = j;
                        flag = 0;
                    }
                } else {
                    sb.append(chars[i]);
                }
            }
            System.out.println(sb.toString());

        }

    }




}