#include <bits/stdc++.h>
using namespace std;

//#define official

#ifdef official
#define cin inF
#define cout outF
#endif

ifstream inF("mp.in");
ofstream outF("mp.out");

double x, y, d;

void input()
{
    cin >> x >> y >> d;
}

void output()
{
    cout << fixed << setprecision(5) << x << ' ';
    cout << fixed << setprecision(5) << y << '\n';
}

const int N = 1000000; //1e6

void solve()
{
    double tDist = sqrt(x * x + y * y);
    double px = 0;

    for (int i = 1; i <= N; ++i)
    {
        double prevPx = d * i / N;
        double px = d * i / N;
        double dx = x - px;
        double dy = y;
        double dist = sqrt(dx * dx + dy * dy);
        double movDist = tDist - dist;

        double newX = x + dx * movDist / dist;
        double newY = y + dy * movDist / dist;
        double dx2 = (x + newX) / 2 - (px + prevPx) / 2;
        double dy2 = (y + newY) / 2;

        double a = dx2 * dx2 + dy2 * dy2;
        double b = 2 * (dx2 * dx + dy2 * dy);
        double c = dx * dx + dy * dy - tDist * tDist;
        double d = b * b - 4 * a * c;

        if (d < 0) d = 0;

        double k = (-b + sqrt(d)) / (2 * a);

        x += dx2 * k;
        y += dy2 * k;
    }
}

int main()
{
    input();
    solve();
    output();

    return 0;
}