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=Integer.parseInt(sc.next());

		String str=sc.next();
		String x;
		int k=Integer.parseInt(sc.next());

		String[] str2=str.split(""); //一文字ずつ取り出す
		x=str2[k-1];
		for(int i=0;i<str2.length;i++){

			if(str2[i].equals(x)==false){
				str2[i]="*";
			}
		}

		for(int i=0;i<str2.length;i++){

			System.out.print(str2[i]);
		}
		sc.close();

	}

}