Mask the account number

Problem

A statement shows only the last 4 digits of an account number. Every earlier digit is replaced by *.

Read the account number and print the masked version. A number with 4 or fewer digits is printed as it is.

Example

Input

9876543210

Output

******3210

Six stars, then 3210.

Try the problem first. Open one hint at a time.

Hint 1

The visible part is the last 4 characters; the hidden part has len - 4 characters.

Hint 2

Repeat "*" that many times and add the slice account[-4:].

Write your Python code, run it on the examples and submit it to hidden tests.