Lucky and even lucky numbers: Difference between revisions

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=={{header|Haskell}}==
=={{header|Haskell}}==


Haskell is a very nice language for this problem because it is a lazy language. Here regular expressions and data types are used.
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<lang Haskell>Implementation:

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<lang Haskell>
import System.Environment
import System.Environment
import System.Exit
import System.Exit
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