sub main
{
    my  ($x,$y,$z)  = @_;
    my %final_hash;
    
    #  Something like this???
    #  I'm totally lost here 
    #  $final_hash{$paramgroup} = add_them($x,$y,$z);  

    return %final_hash;
}


sub add_them
{
    my  ($x,$y,$z)  = @_;
    return ($x+$y+$z);
}