import sequtils,algorithm,math,tables
import sets,intsets,queues,heapqueue,bitops,strutils
template times*(n:int,body) = (for _ in 0..<n: body)
template `max=`*(x,y) = x = max(x,y)
template `min=`*(x,y) = x = min(x,y)

proc getchar_unlocked():char {. importc:"getchar_unlocked",header: "<stdio.h>" .}
proc scanMod6(): int =
  while true:
    let c = getchar_unlocked()
    if c < '0': return
    result = (result * 10 + c.ord - '0'.ord) mod 6

const resStr = "428571"
let n = scanMod6()
if n in [0,1,3,4] :
  echo resStr[n]
else:
  let m = scanMod6()
  if n == 5:
    let a = if m mod 2 == 0 : 1 else: 5
    echo resStr[a]
  else:
    let a = if m mod 2 == 0 : 4 else : 2
    echo resStr[a]