def exp(a,b,p):
    ans,mul,div=1,a,1
    for i in range(1000):
        if b//div%2==1:
            ans*=mul
            ans%=p
        mul=mul**2%p
        div*=2
    return ans%p

N,P=map(int,input().split())
ci=0
p=998244353
while N!=0:
    N//=P
    ci+=N
    ci%=(p-1)
ans=1
print(exp(P,ci,p)%p)