#ifndef _PRODUCT_H
#define _PRODUCT_H
#include <iostream>
#include <vector>
#include <set>
#include <numeric>
#include <functional>
#include <algorithm>
#include <math.h>
#include <stdlib.h>
using namespace std;

class Product {
          public:
            void Invert();
            void Multiply_Number(double n);
            void Divide_Number(double n);
            void Multiply_Exponential(int n);
            void Divide_Exponential(int n);
            void Multiply_Binom(int n, int k);
            void Divide_Binom(int n, int k);
            void Clear();
            void Print();
            double Calculate_Product();
          protected:
            multiset <double> numerator;
            multiset <double> denominator;
};
#endif