题解 | #表示数字#

#include <iostream>
#include <string>
using namespace std;

int main(){
    string str;
    while(cin >> str){

        for(int i = 0; i < str.size(); i++){
            if(isdigit(str[i])){
                str.insert(i,"*");
                i++;
                while(isdigit(str[i]))
                    i++;
                str.insert(i,"*");                
            }
        }
        cout << str << endl;
    }
    
    return 0;
}