import sys

sys.setrecursionlimit(10 ** 6)
sys.set_int_max_str_digits(100005)

def II(): return int(sys.stdin.readline())
def MI(): return map(int, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def SI(): return sys.stdin.readline()[:-1]
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
int1 = lambda x: int(x) - 1
def MI1(): return map(int1, sys.stdin.readline().split())
def LI1(): return list(map(int1, sys.stdin.readline().split()))
p2D = lambda x: print(*x, sep="\n")
dij = [(1, 0), (0, 1), (-1, 0), (0, -1)]

def main():
    dd=[4,2,8,5,7,1]
    n=II()
    k=SI()
    i=n%6
    if i==2 and int(k[-1])%2==0:i=4
    if i==5 and int(k[-1])%2==0:i=1
    print(dd[i])

main()