#include <iostream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>

using namespace std;

double dist(double dx, double dy)
{
	return sqrt(dx * dx + dy * dy);
}

int main()
{
	ifstream fin("mp.in");
	ofstream fout("mp.out");

	double x2, y2, d;

	fin >> x2 >> y2 >> d;
	double r = dist(x2, y2);
	double d1 = d / 1e5, d05 = d1 / 2;
	for (double x1 = 0; x1 < d; x1 += d1)
	{
		double dx2 = x2 - x1 - d05;
		double dy2 = y2;
		if (dx2 < 0)
		{
			dx2 = -dx2;
			dy2 = -dy2;
		}
		double f2 = d1 / dist(dx2, dy2);
		x2 += dx2 * f2;
		y2 += dy2 * f2;
		double dx3 = x2 - x1 - d1;
		double f3 = r / dist(dx3, y2);
		x2 = x1 + d1 + dx3 * f3;
		y2 = y2 * f3;
	}
	fout << fixed << setprecision(5) << x2 << " " << fixed << setprecision(5) << y2;
}