import java.util.Scanner;
import java.util.Math;
public class Q5_4
{

	private static final int NUM = 3;

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

		Point [] obj = new Point[NUM];

		double [] dis = new double[NUM];



		for (int i = 0 ; i < NUM ; i++)
		{

			System.out.println("Please input No." + (i+1) + "point of its x and y value:");

			int a = Integer.parseInt(scan.next());

			int b = Integer.parseInt(scan.next());


			obj[i] = new Point(a,b);
		}



		for (int i = 0 ; i < NUM ; i++)
		{
			System.out.println("No." + (i+1) + "'s distance with(0,0):" + obj[i].distance());
		}

		dis[0] = obj[0].distance(obj[1]);

		dis[1] = obj[1].distance(obj[2]);

		dis[2] = obj[2].distance(obj[0]);

		Arrays.sort(dis);

		//if(



	}





public class Point
{
	private int x;

	private int y;


	Point()
	{

	}

	Point(int x1,int y1)
	{
		x = x1;
		y = y1;
	}

	public double distance()
	{
		return Math.sqrt(Math.pow(x,2) + Math.pow(y,2));
	}

	public double distance(Point obj)
	{
		return Math.sqrt( Math.pow(this.x - obj.x,2) + Math.pow(this.y - obj.y,2) );
	}



	public void setLocation(int a,int b,int c)
	{
		x = a;
		y = b;
		z = c;
	}


	public void setRadius(int r)
	{
		radius = r;
	}

	public double surfaceArea()
	{
		return (4 * Math.PI * Math.pow(radius,2));

	}

	public double volume()
	{
		return (4 / 3 * Math.PI * Math.pow(radius,3));
	}

	public void showCenter()
	{
		System.out.println("x=" + x + " y=" + y + " z=" + z);
	}


}