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.*;
 
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        
        int n = sc.nextInt();//文字数
        String s = sc.next();//文字列
        int k = sc.nextInt();//指定文字番
        
        String[] array = s.split("");
        String ss = array[k-1];
        
        for(int i = 0; i<n; i++){
            if(!array[i].equals(ss)){
                array[i] = "*";
            }
        }
        
        for(String sss : array){
            System.out.print(sss);
        }
    }
}