import sys
sys.setrecursionlimit(5*10**5)
input = sys.stdin.readline
from collections import defaultdict, deque, Counter
from heapq import heappop, heappush
from bisect import bisect_left, bisect_right
from math import gcd

n,p = map(int,input().split())
mod = 998244353

now = p
ans = 0
while now <= n:
    ans += n//now
    now *= p
    ans %= mod

print(pow(p,ans, mod))