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(),res="",f="";
    int k=sc.nextInt();
    for(int i=0;i<n;i++)if(i+1==k)f=s.substring(i, i+1);
    for(int i=0;i<n;i++) {
    	if(s.substring(i, i+1).equals(f)) {
    		res+=s.substring(i, i+1);
    	}else {
    		res+="*";
    	}
    }
    System.out.println(res);
  }
}
