#!/usr/bin/perl
# your code goes here
$x = "MyFooBar";
$x =~ s/(?:^|(?<=[a-z])(?=[A-Z]))(.)/-lc($1)/eg;
IyEvdXNyL2Jpbi9wZXJsCiMgeW91ciBjb2RlIGdvZXMgaGVyZQokeCA9ICJNeUZvb0JhciI7CiR4ID1+IHMvKD86XnwoPzw9W2Etel0pKD89W0EtWl0pKSguKS8tbGMoJDEpL2VnOwokeCA9IHN1YnN0cigkeCwgMSk7CnByaW50ICR4Ow==