#include <iostream>
#include <string>

#include <math.h>

using namespace std;

constexpr int Y_DIR = 1;

double radians(double degrees)
{
	return degrees * M_PI / 180.0;
}

void usage(const string& name)
{
	cout << "Usage: " << name << "<x> <y> <center> <count> <angle> <length>" << endl;
	cout << "\tx - x coordinate of first point" << endl;
	cout << "\ty - y coordinate of first point" << endl;
	cout << "\tcenter - 0/1 - whether first point is center of polygon" << endl;
	cout << "\tcount - ammount of points" << endl;
	cout << "\tangle - rotation in degrees" << endl;
	cout << "\tlength - length of side (when not center) - external radius of polygon (when center)" << endl;
}

void center_polygon(double x, double y, int count, double angle, double radius)
{
	double x_calc;
	double y_calc;

	for (int i = 0; i < count; ++i)
	{
		x_calc = cos(radians((360.0 / count) * i + angle)) * radius + x;
		y_calc = sin(radians((360.0 / count) * i + angle)) * radius + y;

		cout << x_calc << "," << y_calc << endl;
	}
}

void corner_polygon(double x, double y, int count, double angle, double length)
{
	double x_calc;
	double y_calc;

	x_calc = 0;
	y_calc = 0;

	cout << x << "," << y << endl;

	for (int i = 0; i < count - 1; ++i)
	{
		x_calc = x_calc + cos(radians(angle)) * length;
		y_calc = y_calc + sin(radians(angle)) * length;

		cout << x_calc + x << "," << y_calc + y << endl;

		angle += (360.0 / count);
	}
}

int main(int argc, char **argv)
{
	double x;
	double y;
	bool center;
	int count;
	double angle;
	double length;

	if (argc < 7)
	{
		usage(argv[0]);
		cout << "Insufficient arguments" << endl;
		return -1;
	}

	x = stod(argv[1]);
	y = stod(argv[2]);
	center = (0 != stoi(argv[3]));
	count = stoi(argv[4]);
	angle = stod(argv[5]);
	length = stod(argv[6]);

	if (count < 1)
	{
		usage(argv[0]);
		cout << "Wrong ammount of points" << endl;
		return -1;
	}

	if (center)
	{
		center_polygon(x, y, count, angle, length);
	}
	else
	{
		corner_polygon(x, y, count, angle, length);
	}

	return 0;
}