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) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner stdin = new Scanner(System.in);
		int n = stdin.nextInt();
		String s =stdin.next();
		int k = stdin.nextInt();
		char[] c = s.toCharArray();
		for(int i = 0;i<n;i++) {
			if(c[i]!=c[k-1]) {
				c[i]='*';
			}
		}
		for(int i = 0;i<n;i++) {
			System.out.print(c[i]);
		}


	}

}
