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 scan = new Scanner(System.in);
        int N = scan.nextInt();
        String S = scan.next();
        int K = scan.nextInt() - 1;
        char c = S.charAt(K);
        String str = "";
        char tmp = S.charAt(0);
        for(int i = 0; i < N; i++){
            tmp = S.charAt(i);
            if(c == tmp){
                str += tmp;
            }else{
                str += "*";
            }
        }
        System.out.println(str);
    }
}
