class Calc0156
  def initialize(args)
    args = args.map { |l| l.chomp.split(/\s+/) }
    @n, @m = args.shift.map(&:to_i)
    @cs = args.shift.map(&:to_i)
  end

  def run
    t = 0
    @cs.sort.each_with_index do |c, i|
      t += c
      return i if t > @m
    end
    @n
  end
end

puts Calc0156.new(STDIN.readlines).run if __FILE__ == $0