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.math.*;

class Main{
    
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        
        int n = in.nextInt();    
        String s = in.next();
        int k = in.nextInt();
        
        char key = s.charAt(k-1);
        for (int i = 0; i < n; ++i){
            char x = s.charAt(i);
            if (x != key)  System.out.print('*');
                else System.out.print(x);
        }
        
    }
}
