Pair Spacing 2

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Language is selected by the extension of the file. See the list of supported languages to know the extension of your language.

Problem

Insert spaces every two characters (starting form the first character) in the input string so long as there are characters left in the string and there is no adjacent space.

Options

exec is denied

no deadline, the server will not save your submission

Sample input:_

Sequence spacing sample

Sample output:

Se qu en ce s pa ci ng s am pl e

Sample input:_

Multiple  spaces  need to   be handled  too

Sample output:

Mu lt ip le  sp ac es  ne ed t o   be h an dl ed  to o

Sample input:_

Insert comment, deconstruct.  Notification of issuance occurs.  Begin relevant external irrelevance.  Deterioration created through aggregation.

Sample output:

In se rt c om me nt , de co ns tr uc t.  No ti fi ca ti on o f is su an ce o cc ur s.  Be gi n re le va nt e xt er na l ir re le va nc e.  De te ri or at io n cr ea te d th ro ug h ag gr eg at io n.

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