A = gets.to_i
P = [3, 5, 17, 257, 65537]
ans = 0

32.times do |mask|
  v = 1

  5.times do |i|
    next if mask[i] == 0

    v *= P[i]
  end

  while v <= A
    ans += 1 if v >= 3
    v *= 2
  end
end

puts ans