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);

        while (sc.hasNext()){
            int n = sc.nextInt();
            StringBuffer sb = new StringBuffer(sc.next());
            int k = sc.nextInt();

            char ch = sb.charAt(k-1);

            for (int i = 0; i < sb.length(); i++) {
                if (sb.charAt(i) != ch)
                    sb.setCharAt(i, '*');
            }

            System.out.println(sb);

        }
    }
}