#include <iostream>
    #include <cstdio>
    using namespace std;

    double n;

    double SumRes(double X, double n)
    {
            double Xnext = 4, Xcur, y;
        n += 4;
            for (double i = 4; i <= n ; i++)
            {
                    Xcur = Xnext;
                    Xnext = (Xcur * (i+1) * X) / i;
                    y += Xcur;
            }
            return y;
    }

    double GornerScP(double X, double n, double *y)
    {
            *y = n+4;
            for (int i = n+3; i >= 4; i--)
            {
                    *y *= X;
                    *y += i;
            }
    }

    double GornerScL(double X, double n, double &y)
    {
            y = n+4;
            for (int i = n+3; i >= 4; i--)
            {
                    y *= X;
                    y += i;
            }
    }

    int main()
    {
            double Xo=0, Xn = 3, dX = .3, result;
            int k;
            cin>>n;
        cout<<"1. Sum method"<<endl;
            cout<<"2. Gorner scheme (pointer)"<<endl;
        cout<<"3. Gorner scheme (link)"<<endl;
            cin>>k;
        cout<<"---------------------"<<endl;
        cout<<"|    "<<"x"<<"    |    "<<"y"<<"    |"<<endl;
        cout<<"---------------------"<<endl;
            for (; Xo <= Xn; Xo += dX)
                    switch (k)
                    {
                case 1:
                {
                    cout<<"|   "<<Xo<<"   | "<<SumRes(Xo, n)<<" |"<<endl;
                    cout<<"---------------------"<<endl; break;
                }
                case 2:
                {
                    GornerScP(Xo, n, &result);
                    cout<<"|   "<<Xo<<"   | "<<result<<" |"<<endl;
                    cout<<"---------------------"<<endl; break;
                }
                case 3:
                {
                    GornerScL(Xo, n, result);
                    cout<<"|   "<<Xo<<"   | "<<result<<" |"<<endl;
                    cout<<"---------------------"<<endl; break;
                }
                    }
            return 0;
    }