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();
		
		String temp=S.substring(K-1,K);
		for(int i=0;i<N;i++) {
			if(!S.substring(i,i+1).equals(temp)) {
				S=S.replace(S.substring(i,i+1), "*");
			}
		}
			
		System.out.println(S);
	}
}
