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