#include <iostream>
#include <math.h>

using namespace std;

void main() {
    int n;
    double x, sum = 0;
    cout << "Enter x: abs(x) < 1 " << endl;
    cin >> x;
    cout << "Enter n " << endl;
    cin >> n;
    cout << "N" << '\t' << "x^N" << '\t' << "Fi(x)" << endl;
    for (int i = 0; i < n; i++) {
        double cur = pow(x, i+1);
        sum += 2 * cur;
        cout << i+1 << '\t' << cur << '\t' << sum << endl;
    }
}