#include "stdafx.h"

#include <iostream>

#include <cmath>

# define M_PIl          3.141592653589793238462643383279502884L

using namespace std;

long double fact(int N)

{

if (N < 0)

 return 0;

if (N == 0)

 return 1;

else

 return N * fact(N - 1);

}

int main()

{

cout << " n = ";

int n; cin >> n;

cout << " h = ";

float h; cin >> h;

float x = 0; int i = 1; float S = 1;

if (n == 0)

{

 cout << "S(" << x << ") = " << 0 << endl;

}

else

{

 while ((x <= 1) && (i <= n))

 {

  S += (cos(i*(M_PIl / 4)) / fact(i))*pow(x, i);

  cout << "S(" << x << ") = " << S << endl;

  x = x + h;

  i = i + 1;

 }

}

   return 0;

}