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.*;
import java.util.*;

public class Main {
	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int n = Integer.parseInt(sc.next());
		String s = sc.next();
		int k = Integer.parseInt(sc.next());
		String[] split = s.split("");
		String judge = split[k-1];
		String result = "";
		for(int i=0;i<n;i++) {
			if(split[i].equals(judge)) {
				result = result + judge;
			}else {
				result = result + "*";
			}
		}
		System.out.println(result);
	}

}
