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 start = S.charAt(K - 1);

		//N要素のビルダーを作成。
		StringBuilder sb = new StringBuilder(N);

		for(int i = 0 ; i < N ; i++) {
			char flg = S.charAt(i);
			if(flg == start) {
				sb.append(start);
			}else {
				sb.append('*');
			}
		}
		System.out.println(sb.toString());
	}
}