-- 素数を求める
prime_list = {2}

for x = 3, 100, 2 do
  a = true
  for y = 1, #prime_list do
    z = prime_list[y]
    if x % z == 0 then
      a = false
      break
    end
  end
  if a then
    table.insert(prime_list, x)
  end
end

for x = 1, #prime_list do
  io.write(prime_list[x])
  io.write(" ")
end
io.write("\n")