#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include #include using namespace std; using namespace atcoder; using ll=long long; void IO(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); } ll modpow(ll a, ll n, ll mod) { ll res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } int main(){ IO(); ll n,p; cin>>n>>p; ll idx=0; while(n){ idx+=n/p; n/=p; } ll mod=998244353; cout<