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.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
      	int n = sc.nextInt();
		String s = sc.next();
        int k = sc.nextInt();
        String a[] = s.split("");
        int i;
        String ans = a[k - 1];
      	for(i = 0;i < n;i++){
          if(!a[i].equals(ans)){
            a[i] = "*";
          }
        }
        
      	for(i = 0;i < s.length();i++){
          System.out.print(a[i]);
        }
      
    }
}