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 Main() {
		// TODO 自動生成されたコンストラクター・スタブ
	}
	
	public static void main(String[] args){
			Scanner sc = new Scanner(System.in);
			// 整数の入力
			int n;
			String  s;
			int k;
			String result="";
			n = sc.nextInt();
			s = sc.next();
			k = sc.nextInt();
			sc.close();
			
			int index;
			String s1,target;
			target=s.substring(k-1,k);
			
			for (index=0;index<n;index++) {
				s1=s.substring(index,index+1);
				if(s1.equals(target)) {
					result=result+target;
				}
				else {
					result=result+"*";
				}
			}

			// 出力

			System.out.println(result);
	}
}