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 = Integer.parseInt(sc.next());
      String S = sc.next();
      int K = Integer.parseInt(sc.next());
      
      char c = S.charAt(K-1);
      char[] Slist = S.toCharArray();
      
      for(int i=0; i<N; i++){
        if (Slist[i] != c) Slist[i] = '*';
      }
      String string = new String(Slist);
      System.out.println(string);
    }
}