https://www.hackerrank.com/challenges/30-hello-world
Objective
In this challenge, we review some basic concepts that will get you started with this series. You will need to use the same (or similar) syntax to read input and write output in challenges throughout HackerRank.
Task
To complete this challenge, you must save a line of input from stdin to a variable, print Hello, World. on a single line, and finally print the value of your variable on a second line.
Input Format
A single line of text denoting inputString (the variable whose contents must be printed).
Sample Input
Welcome to 30 Days of Code!
Sample Output
Hello, World.
Welcome to 30 Days of Code!