atcoder#TENKA12019B. *e**** ********e* *e****e* ****e**

*e**** ********e* *e****e* ****e**

Score : 200200 points

Problem Statement

You are given a string SS of length NN consisting of lowercase English letters, and an integer KK. Print the string obtained by replacing every character in SS that differs from the KK-th character of SS, with *.

Constraints

  • 1KN101 \leq K \leq N\leq 10
  • SS is a string of length NN consisting of lowercase English letters.
  • NN and KK are integers.

Input

Input is given from Standard Input in the following format:

NN

SS

KK

Output

Print the string obtained by replacing every character in SS that differs from the KK-th character of SS, with *.

5
error
2
*rr*r

The second character of SS is r. When we replace every character in error that differs from r with *, we get the string *rr*r.

6
eleven
5
e*e*e*
9
education
7
******i**