#/usr/bin/env perl

use strict;
use warnings;

my ($n, $k) = split / /, <>; chomp $k;
my %dp;
my @vs;
for ($_ = 0; $_ < $n; $_++) {
  my $m = <>; chomp$m;
  push @vs, $m;
}
$dp{0} = 1;
my $ma = 0;
for (my $s = 0; $s < (1 << $n); $s++) {
  my $weight = 0;
  for (my $i = 0; $i < $n; $i++) {
    if (($s | (1 << $i)) == $s) {
      $weight += $vs[$i];
      if ($weight <= $k) {
        $ma = $weight if $ma < $weight;
      }
    }
  }
}
print "$ma\n";