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();
    String s = sc.next();
    int k = sc.nextInt();
    String[] str = s.split("");
    String a = str[k-1];    
    
    for(int i = 0 ; i <s.length() ; ++i){
      if(str[i].equals(a)){
        str[i] = a;
      }else{
        str[i] = "*";
      }
      
    }
    String ans = String.join("",str);
    System.out.println(ans);
    
  }
}