#A1. System Test: Hello, World!
System Test: Hello, World!
Attention
This problem requires File IO (test.in
/ test.out
) .
In general, all the problems in this website require File IO. Please check the "FIle IO" section to get the information about the filenames.
Description
Please write a program that can output Hello, World!
.
Samples
Hello, World!
Tips
- Use English punctuation marks;
- There is a space after the comma;
H
andW
are uppercase letters.