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 sys

def solve(N, S, K):
    char = S[K-1]

    ans = ''
    for i in xrange(len(S)):
        ans += S[i] if S[i] == char else '*'
    return ans

if __name__ == '__main__':

    N = sys.stdin.readline().strip()
    S = sys.stdin.readline().strip()
    K = sys.stdin.readline().strip()
    ans = solve(int(N), S, int(K))
    print ans