#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <vector>

using namespace std;

struct point_t {
	double x, y;
	point_t() { x = y = 0; }
	point_t(double tx, double ty) { x = tx, y = ty; }
	point_t operator+(const point_t &r) const { return point_t(x + r.x, y + r.y); }
	point_t operator-(const point_t &r) const { return point_t(x - r.x, y - r.y); }
	point_t operator*(const double &r) const { return point_t(x * r, y * r); }
	point_t operator/(const double &r) const { return point_t(x / r, y / r); }
	double l() const { return sqrt(x * x + y * y); }
	void read() { scanf("%lf%lf", &x, &y); }
};

const double eps = 1e-8;
const double pi = acos(-1.0);

int dblcmp(double x) {
	return x < -eps ? -1 : x > eps;
}

double dot(point_t p1, point_t p2) {
	return p1.x * p2.x + p1.y * p2.y;
}

double cross(point_t p1, point_t p2) {
	return p1.x * p2.y - p1.y * p2.x;
}

double dist(point_t p1, point_t p2) {
	p2 = p2 - p1;
	return p2.l();
}

point_t isLL(point_t a, point_t b, point_t c, point_t d, bool &parell) {
	point_t p1 = b - a, p2 = d - c;
	double a1 = p1.y, b1 = -p1.x, c1;
	double a2 = p2.y, b2 = -p2.x, c2;
	if (dblcmp(a1 * b2 - a2 * b1) == 0) {
		parell = true;
		return point_t();
	} else {
		parell = false;
		c1 = a1 * a.x + b1 * a.y;
		c2 = a2 * c.x + b2 * c.y;
		return point_t((c1 * b2 - c2 * b1) / (a1 * b2 - a2 * b1), (c1 * a2 - c2 * a1) / (b1 * a2 - b2 * a1));
	}
}

double area(point_t p1, point_t p2, point_t p3) {
	return cross(p2 - p1, p3 - p1);
}

double angle(point_t p1, point_t p2, point_t o) {
	p1 = p1 - o;
	p2 = p2 - o;
	double alpha = atan2(p1.y, p1.x);
	double beta = atan2(p2.y, p2.x);
	double ret = fabs(alpha - beta);
	if (dblcmp(ret - pi) > 0) ret = 2 * pi - ret;
	return ret;
}

const int maxn = 233;
int n, arc[maxn], side[maxn];
point_t seg[maxn][2], centre[maxn], o, o2;
double radius[maxn];

bool read() {
	n = 0; memset(arc, 0, sizeof(arc));
	point_t last;
	o2 = point_t(0, 0);
	while (true) {
		static char buf[16];
		scanf("%s", buf);
		if (strcmp(buf, "end") == 0) return false;
		if (strcmp(buf, "start") == 0) {
			o.read();
			last = o;
		} else if (strcmp(buf, "close") == 0) {
			++n;
			seg[n][0] = last;
			seg[n][1] = o;
			break;
		} else if (strcmp(buf, "line") == 0) {
			++n;
			seg[n][0] = last;
			seg[n][1].read();
			last = seg[n][1];
		} else {
			++n;
			seg[n][0] = last;
			seg[n][1].read();
			last = seg[n][1];
			arc[n] = true;
			scanf("%lf", radius + n);
			point_t middle = (seg[n][0] + seg[n][1]) / 2;
			point_t dir = seg[n][1] - seg[n][0];
			swap(dir.x, dir.y);
			if (radius[n] < 0) dir.x = -dir.x, side[n] = 1;
			else dir.y = -dir.y, side[n] = -1;
			radius[n] = fabs(radius[n]);
			dir = dir / dir.l();
			double len = sqrt(radius[n] * radius[n] - pow((seg[n][0] - seg[n][1]).l(), 2.0) / 4);
			dir = dir * len;
			centre[n] = middle + dir;
		}
	}
	for (int i = 1; i <= n; ++i) o2 = o2 + seg[i][0];
	o2 = o2 / n;
	return true;
}

pair<double, point_t> get_centre(point_t p1, point_t p2, bool arc = false, point_t centre = point_t(), double r = 0, int side = -1) {
	if (!arc) {
		double a = area(o, p1, p2) / 2;
		point_t c = (p1 + p2 + o) / 3;
		return make_pair(a, c);
	} else {
		double a = area(o, p1, p2) / 2;
		point_t c = (p1 + p2 + o) / 3;
		double alpha = angle(p1, p2, centre);
		double a2 = r * r * (alpha - sin(alpha)) / 2;
		int side2 = dblcmp(cross(p2 - p1, o - p1));
		// if (side2 == 0) puts("??");
		a2 = fabs(a2) * fabs(a) / a;
		if (side2 != side) a2 = -a2;
		double y = 2 * pow(r * sin(alpha / 2), 3.0) / fabs(3 * a2);
		point_t tmp = (p1 + p2) / 2 - centre;
		tmp = tmp / tmp.l();
		tmp = tmp * fabs(y);
		point_t c2 = tmp + centre;
		return make_pair(a + a2, (c * a + c2 * a2) / (a + a2));
	}
}

point_t cal() {
	double area = 0;
	point_t c;
	for (int i = 1; i <= n; ++i) {
		pair<double, point_t> pdp;
		if (!arc[i]) {
			pdp = get_centre(seg[i][0], seg[i][1]);
		} else {
			pdp = get_centre(seg[i][0], seg[i][1], true, centre[i], radius[i], side[i]);
		}
		area += pdp.first;
		c = c + pdp.second * pdp.first;
	}
	// printf("%.10lf\n", area);
	return c / area;
}

bool isinter(point_t a, point_t b, point_t c, point_t d) {
	if (dblcmp(max(a.x, b.x) - min(c.x, d.x)) < 0) return 0;
	if (dblcmp(max(c.x, d.x) - min(a.x, b.x)) < 0) return 0;
	if (dblcmp(max(a.y, b.y) - min(c.y, d.y)) < 0) return 0;
	if (dblcmp(max(c.y, d.y) - min(a.y, b.y)) < 0) return 0;
	int d1 = dblcmp(cross(c - a, b - a));
	int d2 = dblcmp(cross(d - a, b - a));
	int d3 = dblcmp(cross(a - c, d - c));
	int d4 = dblcmp(cross(b - c, d - c));
	if ((d1 * d2 < 0) && (d3 * d4 < 0)) return 1;
	if ((d1 * d2 <= 0 && d3 * d4 == 0) || (d1 * d2 == 0 && d3 * d4 <= 0)) return -1;
	return 0;
}

bool check(point_t p1, point_t p2, point_t p, point_t o) {
	double a1 = angle(p, p1, o);
	double a2 = angle(p, p2, o);
	double a3 = angle(p1, p2, o);
	return dblcmp(a1 + a2 - a3) == 0;
}

bool isinter(point_t a, point_t b, point_t p1, point_t p2, point_t o, double r) {
	double x0 = o.x, y0 = o.y;
	double x1 = a.x, y1 = a.y;
	double x2 = b.x, y2 = b.y;
	double dx = x2 - x1, dy = y2 - y1;
	double A = dx * dx + dy * dy;
	double B = 2 * dx * (x1 - x0) + 2 * dy * (y1 - y0);
	double C = (x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0) - r * r;
	double delta = B * B - 4 * A * C;
	if (dblcmp(delta) >= 0) {
		if (delta < 0) delta = 0;
		delta = sqrt(delta);
		double t1 = (-B - delta) / 2 / A;
		if (dblcmp(t1) >= 0) {
			point_t tmp = point_t(x1 + t1 * dx, y1 + t1 * dy);
			if (check(p1, p2, tmp, o)) return true;
		}
		double t2 = (-B + delta) / 2 / A;
		if (dblcmp(t2) >= 0) {
			point_t tmp = point_t(x1 + t2 * dx, y1 + t2 * dy);
			if (check(p1, p2, tmp, o)) return true;
		}
	}
	return false;
}

bool inside(point_t p) {
	point_t to = point_t(53245, 87684);
	int cnt = 0;
	for (int i = 1; i <= n; ++i) {
		if (arc[i]) {
			if (isinter(p, to, seg[i][0], seg[i][1], centre[i], radius[i])) ++cnt;
		} else {
			if (isinter(p, to, seg[i][0], seg[i][1])) ++cnt;
		}
	}
	if (cnt % 2 == 1) return true;
	return false;
}

int main() {
	while (read()) {
		o = point_t(53456, 67435);
		point_t centre = cal();
		printf("%.10lf %.10lf %c\n", centre.x, centre.y, inside(centre) ? '+' : '-');
	}
	return 0;
}

Measured memory_bytes: 1408