#include <iostream>
#include <fstream>
#include <cassert>
#include <typeinfo>
#include <vector>
#include <stack>
#include <cmath>
#include <set>
#include <map>
#include <string>
#include <algorithm>
#include <cstdio>
#include <queue>
#include <iomanip>
#include <cctype>
#include <random>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<string> vs;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<int,P> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-8;
const ll mod=1e9+7;
const int dx[4]={0,1,0,-1},dy[4]={1,0,-1,0};

const double H=1.0/2;
const double ten=log(10);

ll n,m;

int main(){
	cin>>n>>m;
	double N=n,x=N*log(N)-N+H*log(2*pi*N)+1.0/(12*N);
	x/=ten;
	ll M=1;
	do{
		M*=m;
		x-=(double)(n/M)*log(M)/ten;
	}while(M<INF/m);
	ll d=(ll)(x+eps);
	x-=d;
	vector<pdd> a(1000);
	a[0]={inf,0};
	for(int i=1;i<1000;i++){
		double tmp=(double)i/100;
		a[i]={fabs(log(tmp)/ten-x),tmp};
	}
	sort(a.begin(),a.end());
	cout<<syosu(2)<<a[0].second<<'e'<<d<<endl;
}