#include <bits/stdc++.h>
#define MOD 1000000007LL
using namespace std;
typedef long long ll;
typedef pair<int,int> P;

ll n,m;
double ume[1001]={};

int main(void){
	scanf("%lld%lld",&n,&m);
	ll cnt=0;
	ll np=n;
	while(np>=m){
		cnt+=np/m;
		np/=m;
	}
	long double sum=lgammal(n+1LL);
	sum/=log(10);
	long double nex=log10l(m);
	sum-=(long double)nex*cnt;
	ll resp=sum;
	double rest=(long double)sum-resp;
	printf("%.10fe%lld\n",pow(10,rest),resp);
	return 0;
}