n, m = gets.chomp.split(" ").map(&:to_i) c_ary = gets.chomp.split(" ").map(&:to_i) c_ary.sort! c_ary.length.times do |i| if c_ary[i] - m <= 0 m -= c_ary[i] c_ary[i] = 0 end break if m <= 0 end puts c_ary.count(0)