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) {
		int N,K;
		String S;
		Scanner sc=new Scanner(System.in);

		N=sc.nextInt();
		S=sc.next();
		K=sc.nextInt();

		for(int i=0;i<N;i++) {
			if(S.charAt(i)==S.charAt(K-1)) {
				System.out.print(S.charAt(i));
			}
			else {
				System.out.print("*");
			}
		}
		System.out.println();
		sc.close();
	}

}