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.*;
import java.lang.*;

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 ans = "";
        
        for (int i = 0; i < n; i++) {
            if (s.charAt(i) != s.charAt(k - 1)) {
                ans += "*";
            } else {
                ans += s.charAt(k - 1);
            }
        }
        
        System.out.println(ans);
    }
}