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
		int N = 0;
		String S;
		int K = 0;

		Scanner sc = new Scanner(System.in);
		N = Integer.parseInt(sc.next());
		S = sc.next();
		K = Integer.parseInt(sc.next());
		char s = S.charAt(K-1);
		int n;
		for(n=0;n<N;n++){
			if((String.valueOf(s).equals(String.valueOf(S.charAt(n))))==false){
				S= S.replaceFirst(String.valueOf(S.charAt(n)),"*");
			}
		}
		System.out.println(S);
	}
}