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;

public class Main {
    public static void main(String[] args) {
        final Scanner sc = new Scanner(System.in);

        int N = Integer.parseInt(sc.next());
        String S = sc.next();
        int K = Integer.parseInt(sc.next());
        char c = S.charAt(K-1);
        char tmp;
        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < S.length(); i++) {
            tmp = S.charAt(i);
            if (tmp == c) {
                sb.append(tmp);
            } else {
                sb.append('*');
            }
        }

        System.out.print(sb);
    }
}