import java.util.*;

public class EuclidTake2 {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);

		while (go(in))
			;

	}

	static boolean go(Scanner in) {
		
		pPnt a = new pPnt(in.nextDouble(), in.nextDouble());
		pPnt b = new pPnt(in.nextDouble(), in.nextDouble());
		pPnt c = new pPnt(in.nextDouble(), in.nextDouble());
		pPnt d = new pPnt(in.nextDouble(), in.nextDouble());
		pPnt e = new pPnt(in.nextDouble(), in.nextDouble());
		pPnt f = new pPnt(in.nextDouble(), in.nextDouble());
		
		if(a.x == 0 && a.y == 0 && b.x == 0 && b.y == 0)
			return false;
		
		pVec AB = new pVec(a, b);
		pVec AC = new pVec(a, c);
		pVec DE = new pVec(d, e);
		pVec DF = new pVec(d, f);
		double area = 0.5 * DE.area(DF);
		
		double alt = area / AB.dist();
		
		double thetaCAB = AC.theta() - AB.theta();
		
		double proj = alt / Math.sin(thetaCAB);
		
		double pC = proj / AC.dist();
		pC = Math.abs(pC);
		
		pPnt h = new pPnt(a.x, a.y);
		h.x += AC.dx() * pC;
		h.y += AC.dy() * pC;
		
		pPnt g = new pPnt(b.x + h.x - a.x, b.y + h.y - a.y);
		
		String s = String.format("%1.3f %1.3f %1.3f %1.3f", g.x, g.y, h.x, h.y);
		System.out.println(s);
		
		return true;
	}

	static double dist(double x1, double y1, double x2, double y2) {
		double dx = x1 - x2;
		double dy = y1 - y2;
		return Math.sqrt(dx * dx + dy + dy);
	}

	static class pPnt {
		public double x;
		public double y;

		public pPnt(double _x, double _y) {
			x = _x;
			y = _y;
		}

		public String toString() {
			return String.format("%1.3f, % 1.3f", x, y);
		}
	}

	static class pVec {
		public pPnt one;
		public pPnt two;

		public pVec(pPnt _one, pPnt _two) {
			one = _one;
			two = _two;
		}

		public double dist() {
			return Math.sqrt(dx() * dx() + dy() * dy());
		}

		public double theta() {
			return Math.atan2(dy(), dx());
		}

		public double dx() {
			return -one.x + two.x;
		}

		public double dy() {
			return -one.y + two.y;
		}
		
		public double area(pVec other)
		{
			double out = dx() * other.dy() - dy() * other.dx();
			return Math.abs(out);
		}
		
		public String toString()
		{
			return String.format("%1.3f, %1.3f", dx(), dy());
		}
	}
}