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 scan=new Scanner(System.in);
		int a=scan.nextInt();
		String str=scan.next();
		int b=scan.nextInt();
		char ch=str.charAt(b-1);
		String ans="";
		for(int i=0;i<str.length();i++) {
			char chl=str.charAt(i);
			if(!(chl==ch)) {
				ans+="*";
			}
			else {
				ans+=chl;
			}
		}
		System.out.println(ans);
	}
}
