#include <iostream>
#include <cmath>
#include <iomanip>
#include <clocale>

using namespace std;

void func(double Xn, double Xk, double dX, double e) {
    for (double x = Xn; x <= Xk; x += dX) {
        double F = 0, Fn;
        double p = 1;
        int n = 0;
        do {
            Fn = F;
            if (n == 0) p = 1;
            else p = p * n;
            F += ((pow(-1, n) * pow(x, n)) / p);
            n++;
        } while (fabs(F - Fn) > e);
        cout << x << " " << setprecision(4) << F << " " << setprecision(4) << (n - 1) << " " << setprecision(4)
             << exp(-x) << endl;
    }
}

int main() {
    setlocale(LC_ALL, "Russian");
    double Xn, Xk, dX, e;
    cout << "Введите Xn, Xk, dX и точность e:" << endl;
    cin >> Xn >> Xk >> dX >> e;
    func(Xn, Xk, dX, e);
    return 0;
}