题解 | #表示数字#

#include <bits/stdc++.h>
#include <cctype>
#include <iostream>
using namespace std;

int main() {
    string a, b;
    while (getline(cin, a)) {
        for (int i = 0;i < a.size();i++) {
            if (isdigit(a.at(i))) {
                cout << "*";
                while (i < a.size() && isdigit(a.at(i))) {
                    cout << a.at(i);
                    i++;
                }
                i--;
                cout << "*";
            } else {
                cout << a.at(i);
            }
        }
        cout << endl;
    }
}