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 n =sc.nextInt();
		String s=sc.next();
		int k=sc.nextInt();
		char c[]=new char[n];

		for(int i=0;i<n;++i){
			if(s.charAt(k-1)==s.charAt(i))c[i]=s.charAt(k-1);
			else c[i]='*';
			System.out.print(c[i]);
		}
		System.out.println();


	}
}