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();
		
		String[] S2 = S.split("");
		char A=S.charAt(K-1);
		String A2 = String.valueOf(A);
		for(int i=0;i<N;i++){
			if(S2[i].equals(A2)){
			}else {
				S2[i]="*";
			}
		}
		
		for(int i=0;i<N;i++){
		    System.out.print(S2[i]);
		}
		
		System.out.println("");
        
	}

}

