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.util.*;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner $ = new Scanner(System.in);
		int N = $.nextInt(), K = 0;
		String S = $.next(), s = "";
		K = $.nextInt();
		s = S.substring(K - 1, K);
		for (int i = 0; i < N; i++){
			String Judge = S.substring(i, i + 1);
			if (Judge.equals(s))  System.out.print(Judge);
			else System.out.print("*");
		}
		System.out.println();
		/*
		5 error 2 -> *rr*r
		6 eleven 5 -> e*e*e*
		9 education 7 -> ******i**
		*/
	}
}
