What means "One or more spaces or CR/LF characters separate
the numbers" . What are these CR/LF characters ???


 Are they any special characters for breaking line or
something else ??? If anyone know please help me.

Are they have any influance for the problem answer ???

Sorry for my englis.

> What means "One or more spaces or CR/LF characters
separate
> the numbers" . What are these CR/LF characters ???
>
>
>  Are they any special characters for breaking line or
> something else ??? If anyone know please help me.
>
> Are they have any influance for the problem answer ???
>
> Sorry for my englis.

CR is Cariage Return, LF is Line Feed and they denote
new line