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.Scanner;

/**
 * @author subaru
 */
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        String S = sc.next();
        int K = sc.nextInt();
        char targetChar = S.charAt(K - 1);
        StringBuilder result = new StringBuilder();
        for (char c : S.toCharArray()) {
            if (c == targetChar) {
                result.append(c);
            } else {
                result.append("*");
            }
        }
        System.out.println(result);
    }
}
