N = gets.to_i

def is_power_of_2(x)
  while x > 1
    return false if x % 2 == 1
    x /= 2
  end

  true
end

1.upto(200) do |a|
  next if is_power_of_2(a)
  b = N - a
  next if is_power_of_2(b)

  puts [a, b].join(' ')
  exit
end

puts -1