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 scan = new Scanner(System.in);
    	int N = scan.nextInt();
      	String s = scan.next();
      	int k = scan.nextInt();
      	String b = s.substring(k-1, k);
      	String anstring = s;
      	for(int i = 0; i < N; i++){
        	if(!s.substring(i, i+1).contains(b)){
              	String replaced = s.substring(i, i+1);
            	anstring = anstring.replace(replaced, "*");
            }
        }
     	System.out.print(anstring);
      
      
    }
 
}