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

        int n = stdIn.nextInt();
        String s = stdIn.next();
        int k = stdIn.nextInt();

        char[] ca = s.toCharArray();

        for(int i=0; i<n; i++){
            if(ca[i] != ca[k-1]){
                ca[i] = '*';
            }
        }

        String ans = "";

        for(int i=0; i<n; i++){
            ans = ans + ca[i];
        }

        System.out.println(ans);
    }
}
