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.Scanner;
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();
       
       char A = S.charAt(K-1);
       
       
       for (int index=0; index<N; index++){
           
           if (A==S.charAt(index)){
               System.out.print(A);
           } else {
               System.out.print("*");
           }
       }
       
       System.out.println();
    }
}