#include <iostream>
#include <string>
using namespace std;
int main() {
    string str;      
    char target;          

    getline(cin, str);   
    cin >> target;           


    for (char &c : str) {
        if (c == target) {
            c = '#';  
        }
    }


    cout << str << endl;

    return 0;
}