import java.text.DecimalFormat;
import java.util.Scanner;


public class euclid {
	public static void main(String args[]){
		Scanner in = new Scanner(System.in);
		boolean notzeros = true;
		double[] a = new double[2];
		double[] b = new double[2];
		double[] c = new double[2];
		double[] d = new double[2];
		double[] e = new double[2];
		double[] f = new double[2];
 		while(notzeros){
			a[0] = in.nextDouble();
			a[1] = in.nextDouble();
			b[0] = in.nextDouble();
			b[1] = in.nextDouble();
			c[0] = in.nextDouble();
			c[1] = in.nextDouble();
			d[0] = in.nextDouble();
			d[1] = in.nextDouble();
			e[0] = in.nextDouble();
			e[1] = in.nextDouble();
			f[0] = in.nextDouble();
			f[1] = in.nextDouble();
			DecimalFormat df = new DecimalFormat("###0.000");
			if(a[0]==0&&a[1]==0&&b[0]==0&&b[1]==0&&c[0]==0&&c[1]==0&&d[0]==0&&d[1]==0&&e[0]==0&&e[1]==0&&f[0]==0&&f[1]==0){
				notzeros = false;
			} else{
				double area = Math.abs((d[0]*(e[1]-f[1])+e[0]*(f[1]-d[1])+f[0]*(d[1]-e[1]))/2);
				double areapar = Math.abs((c[0]-a[0])*(b[1]-a[1])-(c[1]-a[1])*(b[0]-a[0]));
				double cons = areapar/area;
				double hx = (a[0])-(a[0]-c[0])/cons;
				double hy = (a[1])-(a[1]-c[1])/cons;
				double ca = (c[0]-a[0])/(c[1]-a[1]);
				double cb = b[0] - hx;
				double cd = (b[0]-a[0])/(b[1]-a[1]);
				double gy = 0.0;
				double gx = 0.0;
				if(c[1]-a[1]==0){
					gy = b[1];
					gx = b[0]+hx-a[0];
				} else if(b[1]-a[1]==0){
					gy = hy;
					gx = ca*(gy-b[1])+b[0];
				} else{
					gy = (ca*b[1] - cd*hy - cb)/(ca-cd);
					gx = ca*(gy-b[1])+b[0];
				}
				String yg = df.format(gy);
				String xg = df.format(gx);
				String yh = df.format(hy);
				String xh = df.format(hx);
				System.out.printf("%s %s %s %s\n",xg,yg,xh,yh);
			}
		}
		
	}
}