ZSeries

#include <iostream>
#include <math.h>
using namespace std;

double calculate(double z, int n) {
    double last = 1.0 + z;
    double series = 1;
    for (int i = 1; i < n; i++) {
        series = series * last;
        last = last * z + 1.0;
    }
    return series*last;
}
int main()
{
    double z = 0;
    cin >> z;
    int n = 0;
    cin >> n;
    cout << round(calculate(z, n)*1000)/1000;
}