def ascan; gets.split.map(&:to_i); end

n = gets.to_i
1.upto(99) do |i|
  sum = 3 + i + (n-2) 
  if sum % 3 == 1
    printf "3 #{i} "
    print [1]*(n-2)*" "
    puts
    exit 0
  end
end