Double Char

Background

Congcong is recently studying a special text processing program. This program has an interesting feature: it can duplicate every character in an input string.

Problem Description

Given a string, return a new string where for every character in the original string, there are two characters.

Input Format

Input is given from Standard Input in the following format.

A string $S$

Output Format

Output to Standard Output in the following format.

The processed string

Sample

The

TThhee

AAbb

AAAAbbbb

Hi-There

HHii--TThheerree

Sample Explanation

For the input string "The\