$ ./mario
Height: 5
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$ ./mario
Height: 3
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Program should behave per the example below. Assumed that the underlined text is what some user has typed.
$ ./mario
Height: 4
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####
#####
$ ./mario
Height: 0
$ ./mario
Height: -5
Height: 4
##
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####
#####
$ ./mario
Height: -5
Height: five
Height: 40
Height: 24
Height: 4
##
###
####
#####