def factor(x):
  out = []
  if x % 2 == 0:
    out.append(2)
    while x % 2 == 0:
      x /= 2
  i = 3
  while 1:
    if x % i == 0:
      out.append(i)
      while x % i == 0:
        x /= i
    i += 2
    if i ** 2 > x:
      out.append(x)
      break
  while out.count(1):
    out.remove(1)
  return out


def main(same):
  n = 6
  num = 0
  while num != same:
    if len(factor(n)) == same:
      num += 1
    else:
      num = 0
    n += 1
  return n


maxx = 4
a = main(maxx)
for i in xrange(1, maxx + 1):
  print a - i, factor(a - i)