import sys
input = sys.stdin.readline
def iinput(): return int(input())
def sinput(): return input().rstrip()
def i0input(): return int(input()) - 1
def linput(): return list(input().split())
def liinput(): return list(map(int, input().split()))
def miinput(): return map(int, input().split())
def li0input(): return list(map(lambda x: int(x) - 1, input().split()))
def mi0input(): return map(lambda x: int(x) - 1, input().split())
INF = 10**20
MOD = 998244353

modpowmemo = dict()
def modpow(a: int, p: int, mod: int) -> int:
    if (a, p, mod) in modpowmemo:
        return modpowmemo[(a, p, mod)]
    # return a**p (mod MOD) O(log p)
    if p == 0:
        return 1
    if p % 2 == 0:
        half = modpow(a, p // 2, mod)
        tmp = half * half % mod
        modpowmemo[(a, p, mod)] = tmp
        return tmp
    else:
        tmp = a * modpow(a, p - 1, mod) % mod
        modpowmemo[(a, p, mod)] = tmp
        return tmp

a, n = miinput()
print(MOD)
print(modpow(a, n, MOD))