题解 | #表示数字#

import java.util.*;
import java.io.*;
public class Main{
    public static void main(String[] args) throws IOException{
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        String s=null;
        while((s=br.readLine())!=null){
            char[] chars=s.toCharArray();
            StringBuilder sb=new StringBuilder();
            for(int i=0;i<chars.length;i++){
                int count=0;
                if(chars[i]>='0'&&chars[i]<='9'){
                    while(i<chars.length && chars[i]>='0'&&chars[i]<='9'&&i<chars.length){
                        if(count==0){
                        sb.append('*');
                        sb.append(chars[i]);
                        count++;
                        }
                        else{
                            sb.append(chars[i]);
                        }
                        i++;
                    }
                    sb.append("*");
                }
                if(i<chars.length)
                sb.append(chars[i]);
            }
            System.out.println(sb);
        }
    }
}