n = read_line.to_i
ls = [] of Int32
2.upto(9) do |i|
  ls.concat(Array.new(1 << (i - 1), i))
end
ls.reverse!
ans = [] of Int32
n.times do |i|
  if i % 2 == 0
    ans << 1
  else
    ans << ls.pop
  end
end
puts ans.join