#P1. [System Test] Hello, World!
[System Test] Hello, World!
Person in Charge
Attention
This problem requires file I/O (test.in / test.out).
Generally, most problems in Sleeping Cup require file I/O. Check the File IO section for filename details.

Problem Description
Write a program that outputs Hello, World!.
- Use English punctuation;
- There is a space after the comma in
Hello, World!; - The letters
HandWshould be uppercase.
Samples
Hello, World!