n, k, *a = gets.split.map(&:to_i)
n.times do
  a << gets.to_i
end
max = 0
(0..2**n-1).each do |i|
  b = a.zip(i.to_s(2).rjust(n,'0').split(//).map(&:to_i))
  sum = 0
  b.each do |j|
    sum += j[0] if j[1] == 1
  end
  max = sum if sum > max && sum <= k
end
p max