/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package recyclednumbers;

import java.util.HashSet;

/**
 *
 * @author vandit
 */
public class RecycleNumbers {

    private HashSet<String> numbers = new HashSet<String>();
    private HashSet<String> initialTempNumbers = new HashSet<String>();
    private HashSet<String> finalTempNumbers = new HashSet<String>();

    HashSet<Pair> numberPairs = new HashSet<Pair>();


    private void findRecycledNumbers(int start, int end, int places) {


        for (int i = start; i <= end; i++) {
            String initialNumber = Integer.toString(i);
            //if (!(numbers.contains(initialNumber) || finalTempNumbers.contains(initialNumber))) {

                StringBuffer tempNumber = new StringBuffer(initialNumber);
                int len = tempNumber.length();
                int startIndexToMove = len - places;
                String tempString = tempNumber.substring(startIndexToMove);
                if ((places == 1 && tempString.equals("0")) || tempString.charAt(0) == '0') {
                    continue;
                }
                tempNumber.delete(startIndexToMove, len);
                String finalTempNumber = tempString + tempNumber.toString();

                if (! (finalTempNumber.equals(initialNumber) || Integer.parseInt(finalTempNumber) > end || Integer.parseInt(finalTempNumber) < Integer.parseInt(initialNumber))) {
                    numbers.add(initialNumber);
                    finalTempNumbers.add(finalTempNumber);
                    Pair pair = new Pair(finalTempNumber,initialNumber);
                    numberPairs.add(pair);
                }
            }

        

    }

    public HashSet<Pair> findAllRecycledNumbers(int start, int end) {
        int length = Integer.toString(start).length();
        for (int i = 1; i < length; i++) {
            findRecycledNumbers(start, end, i);
        }
        return numberPairs;
    }
}

import java.io.*;
import java.util.Scanner;
import java.util.*;

public class B {
	public static int reverse(int a, int b) {
		Vector vec = new Vector();
		Vector vec2 = new Vector();
		int result = 0;
		if(a > 9) {
			for(int i=a; i <= b; i++) {
				String x=i+"";
				for(int j = 1; j < x.length();j++) {
					int status = 0;
					String p =(x.substring(j,x.length()))+x.substring(0,j);
					int num2 = Integer.parseInt(p);
					if(i!=num2 && num2 <= b && num2 >=a) {
						//System.out.println("P VALUE >> " + p);
						//System.out.println("INDEX OF"+x+" : "+vec.indexOf(x));
						for(int k = 0; k < vec.size(); k++) {
							String tmp = (String) vec.elementAt(k);
							String tmp2 = (String) vec2.elementAt(k);
							int c = Integer.parseInt(tmp);
							int d = Integer.parseInt(tmp2);
							if((c == num2 && i == d) || (c==i && d == num2)) {
								status = 1; break;
							}
						}
						if(status == 0) {
							vec.add(x);
							vec2.add(p);
							//System.out.println(">>>"+x+" "+p);
							result++;
						}
					}
				}
			}
		}
		return result;
	}
	
	public static void main(String [] args) {
		File fFile = new File("B.in");
		Scanner scanner = null;
    	try {
    		scanner = new Scanner(new FileReader(fFile));
      		//first use a Scanner to get each line
      		int line = 1;
      		while ( scanner.hasNextLine() ){
        		String name = scanner.nextLine();
        		String []x = name.split(" ");
        		int p1 = Integer.parseInt(x[0]);
        		int p2 = Integer.parseInt(x[1]);
        		System.out.println("Case #"+line+": "+reverse(p1,p2));
        		line++;
      		}
    	}
    	catch(Exception ex) {
    	}
    	finally {
      		scanner.close();
    	}
	}
}