#include <iostream>
using namespace std;
const long long MOD = 998244353;
#line 1 "/home/sakflat/CP/_library/cpp/math/binary-power-method.cpp"
template <typename T>
T uPow(T z,T n, T mod){
  T ans = 1;
  while(n != 0){
    if(n%2){
      ans*=z;
      if(mod)ans%=mod;
    }
    n >>= 1;
    z*=z;
    if(mod)z%=mod;
  }
  return ans;
}
int main(){
  long long a,b;cin>>a>>b;
  long long ans = 0;
  while(a){
    a/=b;
    ans += a;
  }
  cout << uPow(b,ans,MOD) << endl;
}