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) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        String S = sc.next();
        int K = sc.nextInt();

        String x = String.valueOf(S.charAt(K-1));
        StringBuffer ret = new StringBuffer();
        for (int i=0; i<N; i++) {
            if (String.valueOf(S.charAt(i)).equals(x)) {
                ret.append(x);
            } else {
                ret.append("*");
            }
        }
        System.out.println(ret);
    }
}
