#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define rep(i, a, n) for (int i = (int)(a); i < (int)(n); i++)
#define rrep(i, n, a) for (int i = (int)(n); i >= (int)(a); i--)

const int P = 998244353;

void solve(){
    ll n,p; cin >> n >> p;
    ll e = 0;
    while(n > 0){
        e += n/p;
        n /= p;
    }
    string s = "";
    while(e > 0){
        if(e % 2 == 0){
            s+='0';
        } else{
            s+='1';
        }
        e /= 2;
    }
    ll ans = 1;
    for(int i = s.size()-1;i >= 0;i--){
        ans = (ans*ans)%P;
        if(s[i] == '1'){
            ans = (ans*p)%P;
        }
    }
    cout << ans;

}

int main(){

    solve();

    return 0;
}