题目描述
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
rrr
Input
6
eleven
5
Output
eee*
Input
9
education
7
Output
**i
输入格式
见题面
输出格式
见题面
样例输入
6
eleven
5
样例输出
e*e*e*