/*
 * 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.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;


public class ProblemC {
	public static void main (String[] args) throws Exception{
		BufferedReader fin = new BufferedReader(new FileReader("E:/C-small-attempt0.in"));
		String line = fin.readLine();
		BufferedWriter out = new BufferedWriter(new FileWriter("E:/C-small-attempt0.out"));
		int ln = 1;
		while ((line = fin.readLine()) != null && line.length() != 0){
			
			line = line.trim();
			String[] parts = line.split("\\s+");
			int a = Integer.parseInt(parts[0]);
			int b = Integer.parseInt(parts[1]);
			int count = 0;
			for (int i = a; i < b; i++){
				String s = Integer.toString(i);
				ArrayList<Integer> list = new ArrayList<Integer>();
				for (int j = 1; j < s.length(); j++){
					String newString = s.substring(j) + s.substring(0,j);
					int newInt = Integer.parseInt(newString);
					if ((newInt > i) && (newInt <= b) && (list.contains(newInt) == false)){
						list.add(newInt);
						count++;
					}
				}
			}
			out.write("Case #" + ln + ": " + count);
			out.write("\n");
			ln++;
		}
		fin.close();
		out.close();
	}
}