package fixjava;

public class StringUtils {

	/** Repeat the given string the requested number of times. */
	public static String repeat(String str, int numTimes) {
		StringBuilder buf = new StringBuilder(Math.max(0, str.length() * numTimes));
		for (int i = 0; i < numTimes; i++)
			buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the left hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padLeft(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(padChar);
		for (int i = 1, mi = bufSize - str.length(); i < mi; i++)
			buf.append(padChar);
		buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the right hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padRight(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(str);
		buf.append(padChar);
		while (buf.length() < bufSize)
			buf.append(padChar);
		return buf.toString();
	}

	/** Intern all strings in an array, skipping null elements. */
	public static String[] intern(String[] arr) {
		for (int i = 0; i < arr.length; i++)
			arr[i] = arr[i].intern();
		return arr;
	}

	/** Intern a string, ignoring null */
	public static String intern(String str) {
		return str == null ? null : str.intern();
	}

}

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

class RecycledNumbers {
    public static void main(String[] args)
        throws Exception {
        new RecycledNumbers().start();
    }

    void start()
        throws Exception {
        InputStreamReader is =
            new InputStreamReader(
                                  new FileInputStream("Input"));
        BufferedReader br = new BufferedReader(is);
        OutputStreamWriter os =
            new OutputStreamWriter(
                                   new FileOutputStream("Output"));
        BufferedWriter bw = new BufferedWriter(os);
        String line;
	int[] inputs;
        int test = 1;
        line = br.readLine();
        while ((line = br.readLine()) != null) {
	    String[] inp = line.split(" ");
            inputs = new int[inp.length];
            int i = 0;
            for (String s :  inp) {
                inputs[i++] = Integer.parseInt(s);
            }
	    System.out.print("Case #" + test + ": ");
            String toWrite = "Case #" + test++ + ": ";
            bw.write(toWrite, 0, toWrite.length());

	    int len = inp[0].length();
	    int first = Integer.parseInt(inp[0]);
	    int second = Integer.parseInt(inp[1]);
	    int result = 0;
    
	    for (int j = first; j < second; j++) {
		String str = Integer.toString(j);
		str += str;
		//System.out.println(str);
		//System.out.println(len);
		ArrayList<Integer> arr = new ArrayList<Integer>();
		for (int k = 1; k < len; k++) {
		    int x = Integer.parseInt(str.
					     substring(k, k+len));
		    
		    if (x <= second && x > j) {
			if (!arr.contains(new Integer(x))) {
			    arr.add(new Integer(x));
			    result++;
			}
			//System.out.println(j + " " + x);
		    }
		    //System.out.print(x + " ");
		}
	    }
	    System.out.println(result);
	    String res = Integer.toString(result);
            bw.write(res, 0, res.length());

	    bw.newLine();
	}
	br.close();
	bw.close();
    }
}