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.*;

class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n=Integer.parseInt(sc.nextLine());
    String s=sc.nextLine();
    int k=Integer.parseInt(sc.nextLine());
    char[] c=s.toCharArray();
    char comp=c[k-1];
    for(int i=0;i<n;i++){
      if(c[i]!=comp){
        c[i]='*';
      }
    }
    System.out.print(String.valueOf(c));
  }
}