25

def div(x):
  a = []
  for i in range(2, x):
    if x % i == 0:
      a.append(i)
  return a

k = 0
i = 500001
while k < 5:
  d = div(i)
  for x in d:
    if x != 8 and x % 10 == 8:
      k += 1
      print(i, x)
      break
  i += 1