use strict;
use warnings;

my @b;
my @c=( 22,44,55);  # changed to ()
my @d=( "yy","tt"); # changed to ()
$b[0]=\@c;              # \@ creates a reference to the array @c.
$b[1]=\@d;
my @e= @{$b[1]};       # $b[1] is an array ref so use @{} to get back the list.
print "<$e[0]>\n";