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 a = sc.nextInt();
		String input = sc.nextLine();
		input = sc.nextLine();
		
		
		
		int b = sc.nextInt();
		
		StringBuilder s =new StringBuilder();
		s.append(input);
		
		String t = s.substring(b-1,b);
		
		
		
		for(int i = 1; i <= a; i++) {
			if(t.equals(s.substring(i-1,i)) != true) {
				s.replace(i-1, i,"*");
			}
		}
		
	
		System.out.println(s);
		
	}

}
