use strict;
use warnings;
print "\n---------------Fibonacci---------------\n\n";
my ($a, $b) = ("0", "1");
print "Ingrese el rango de la secuencia:";
my $rango = <STDIN>;
for my $num(0..$rango - 1) {
print $a . "\n";
my $final = $a + $b;
$a = $b;
$b = $final
};
exit;