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.*;
class Main{
	public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        String word = scan.next();
        int k = scan.nextInt();
        
        String x = word.substring(k-1,k);
        String ans = "";
        for(int i=0;i < n;i++){
        	if(word.substring(i,i+1).equals(x)){
            	ans = ans+x;
            } else {
            	ans = ans+"*";
            }
        }
        System.out.println(ans);
    }
}