# frozen_string_literal: true

# numbers = [1, 2, 3, 4, 5, 6, 7, 8]
# p numbers.select {|item| item % 2 == 0 }
# p numbers.select {|item| item <= 5 }

n, k = gets.chomp.split.map(&:to_i)

a_s = []
n.times do
  a_s << gets.chomp.to_i
end

w = 0

while not a_s.empty?
  # p a_s
  # p "k: #{k}, w: #{w}, a_s: #{a_s}"
  a_s = a_s.select { |i| i <= k }.sort
  next if a_s.empty?
  # p "a_s: #{a_s}"
  a = a_s.pop
  w += a
  k -= a
end

p w