## https://yukicoder.me/problems/no/2380

MOD = 998244353

def main():
    N, P = map(int, input().split())

    ans = 0
    p = P
    while p <= N:
        x = p
        while x <= N:
            ans += 1
            x += p
        p *= P
    
    print(pow(P, ans, MOD))











if __name__ == '__main__':
    main()