Challenge: Remove Whatever is White!

Problem statement

You are given a function iswhitespace and our task is to write a function deletewhitespaces that takes a string as input and removes all its whitespaces. For this problem, whitespace is defined as the set of characters "\t\r\n\v\f".

Implement the delws function using the given code as a reference.

Note: Use unique and string functions {erase, shrik_to_fit} to perform the task.

Input

A single line of input consisting of a string s that can contain any printable ASCII character.

Output

After removing all whitespaces, a single output line consists of the modified string.