You are given a string S of length N consisting of lowercase English letters, and an integer K. Print the string obtained by replacing every character in S that differs from the K-th character of S, with `*`.

Constraints

* 1 \leq K \leq N\leq 10
* S is a string of length N consisting of lowercase English letters.
* N and K are integers.

Input

Input is given from Standard Input in the following format:


N
S
K


Output

Print the string obtained by replacing every character in S that differs from the K-th character of S, with `*`.

Examples

Input

5
error
2


Output

*rr*r


Input

6
eleven
5


Output

e*e*e*


Input

9
education
7


Output

******i**
#include <bits/stdc++.h>
 
using namespace std;
int main(){
	string s;
	int n,k;
	cin >> n >> s >> k;
	for(int i = 0;i <(int)s.size(); ++i){
		if(s[i] != s[k-1]) s[i] = '*';
	}
	cout << s;
	return 0;
}