def wall?(x, y, input)
  num = input + ((x*x) + (3*x) + (2*x*y) + y + (y*y))
  num.to_s(2).split("").map(&:to_i).reject(&:zero?).count.odd?
end

input = STDIN.read.chomp.to_i

x = (0..80).map do |y|
  (0..80).map do |x|
    wall?(x, y, input) ? "#" : "."
  end.join("")
end.join("\n")

puts x