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**

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {


	public static void main(String[] args) throws IOException {
		BufferedReader bf = null;
		bf = new BufferedReader(new InputStreamReader(System.in));
		int n,k;
		String ans = "";
		String str;
		String[] s;
		str = bf.readLine();
		n = Integer.parseInt(str);
		str = bf.readLine();
		ans = str;
		str = bf.readLine();
		k = Integer.parseInt(str);
		String p = "[^" + ans.charAt(k-1) + "]";
		ans = ans.replaceAll(p, "*");
		System.out.println(ans);
	}
}