import java.awt.*;
import java.util.*;

class PointColore
{
	Point p;
	String color;
	
	public PointColore(double x, double y,String color)
	{
		p=new Point(x,y);
		this.color=color;
	}
	
	public PointColore()
	{
		this(0.,0.,"black");
	}
	
	public String toString()
	{
		return ("Point : "+p +", Couleur : " + color);
	}
	
	public static double distance(PointColore p1,PointColore p2)
	{
		return Point.distance(p1.p,p2.p);
	}
}


class Point
{
	private double x,y;
	
	public Point(double x,double y)
	{
		this.x=x;
		this.y=y;
	}
	
	public Point() { this(0.,0.);};
	
	public static double distance(Point p1, Point p2)
	{
		double dx = p1.x - p2.x;
		double dy=p1.y - p2.y;
		return (Math.sqrt(dx*dx +dy*dy));
	}
	
	public String toString()
	{
		return ("(" + x +", " + y + ")");
	}
}

public class Sept2003
{
	public static void main(String args[])
	{
		final int N=10;
		Random r=new Random();
		Vector point=new Vector(N);
		for (int i=0;i<N;i++)
		{
			point.addElement(new PointColore(r.nextDouble()*50,r.nextDouble()*50,"black"));
		}
		int distance=0;
		for (int i=0;i<N-2;i++)
		{
			distance+=PointColore.distance( (PointColore)(point.elementAt(i)),(PointColore)(point.elementAt(i+1)));
		}
		System.out.println(distance);
		Iterator t=point.iterator();
		while (t.hasNext())
		{
			System.out.println( (PointColore)(t.next()) );
		}
		
	}
}