#! ruby
# yukicoder My Practice
# author: Leonardone @ NEETSDKASU

(N, M), c = $<.map{|x| x.split.map(&:to_i)}

candy = M
empties = 0

c.sort.each do |x|
	candy -= x
	if candy == 0
		empties += 1
		break
	elsif candy < 0
		break
	else
		empties += 1
	end
end

puts empties