In Russia, a middle name is always a father's name with gender endings. For instance, my father's name is Aleksandr, so my Father, hence middle, name is Aleksandrovich, on the other hand, if I was a girl, my father name would be Aleksandrovna. In addition to ovich and ovna endings, there is a variation evich, evna, depending on which name is used. This is just a fun brainstorm, so I, to be quick, only did ovich, ovna. In context with english names:

@Michael = ('Michaelovich', 'Michaelovna);
[download]

or

my @genderEnding = ('ovich', 'ovna');
my @genderType = ('Male', 'Female');
my $genderSelected = 1;

my $fathersName = &promptConsole("What's your father's name");
my $gender = &promptConsole("What's your gender");

for my $gen (qw{m male man boy}){
 $genderSelected = 0 if(lc($gender) eq $gen);
}

print "Since, you are $genderType[$genderSelected], your father (middl
+e) name is $fathersName$genderEnding[$genderSelected]\n";

sub promptConsole{
 print shift, ": ";
 my $in = <>;
 $in =~ s/[\r\n\cM]+$//;
 return $in;
}
[download]

:)

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Pardon me, I've wrote this script after voting without testing as a fun brainstorm :) and I've made a couple of bugs. People messaged me, saying that it's not working, so I've fixed it. I've misspelled sub call to $fathersName and I used <INPUT> instead of <>. I got it mixed up with an other programming language. I don't even remember which one, but here we go, the fixed version.