//dpoeschl

import java.util.*;

public class FlashMob
{
    public static List<Integer> x;
    public static List<Integer> y;

    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        int caseNum = 1;
        while(true)
        {
            int n = scan.nextInt();
            if(n == 0) return;
            x = new ArrayList<Integer>();
            y = new ArrayList<Integer>();

            for(int i = 0; i < n; i++)
            {
                x.add(scan.nextInt());
                y.add(scan.nextInt());
            }

            Collections.sort(x);
            Collections.sort(y);

            int xCoord = x.get((n-1)/2);
            int yCoord = y.get((n-1)/2);

            int steps = 0;

            for(int i = 0; i< n; i++)
                steps += Math.abs(xCoord - x.get(i)) + Math.abs(yCoord - y.get(i));

            System.out.println("Case " + (caseNum++)  + ": (" + xCoord + "," + yCoord + ") " + steps);
        }
    }
}