---

#include <iostream>
#include <windows.h>
#include <clocale>
#include <iomanip>
using namespace std;

int main() {
    SetConsoleCP(1251);
    SetConsoleOutputCP(1251);
    setlocale(LC_ALL, "Russian");

    double sum = 0;
    double product = 1;

    for (int i = 5; i <= 13; i++) {
        sum += (double)(i - 2) / (i * i * i - 3 * i * i + 4 * i);
    }

    for (int i = 4; i <= 14; i++) {
        product *= 1.0 / (i * i * i - 8 * i * i + 6);
    }

    cout << fixed << setprecision(10);
    cout << "Сумма = " << sum << endl;
    cout << "Произведение = " << product << endl;

    return 0;
}