import strutils, sequtils, algorithm, future, random

{.warning[SmallLshouldNotBeUsed]: off.}

when isMainModule:
  var n = stdin.readLine.parseInt

  while true:
    var
      a = random(n)
      b = n - a
    if not ('7' in $a or '7' in $b):
      echo a, " ", b
      quit()