3. Write a C++ program which reads each line in a file, reverses its lines, and writes them to another file. For example, if the file input.txt contains the lines

Mary had a little lamb

Its fleece was white as snow

And everywhere that Mary went

The lamb was sure to go.

Then, the output, output.txt will contain:

The lamb was sure to go.

And everywhere that Mary went

Its fleece was white as snow

Mary had a little lamb