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 num = sc.nextInt();
		StringBuilder sb = new StringBuilder(sc.next());
		char ch = sb.charAt(sc.nextInt()-1);

		for(int i=0;i<num;i++)
			if(sb.charAt(i) != ch)
				sb.setCharAt(i,'*');

		sc.close();
		System.out.println(sb.toString());
	}
}