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 * and open the template in the editor.
 */
package codejam;

/**
 *
 * @author eblanco
 */
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import javax.swing.JFileChooser;

public class RecycledNumbers {

    public static String DatosArchivo[] = new String[10000];

    public static int[] convertStringArraytoIntArray(String[] sarray) throws Exception {
        if (sarray != null) {
            int intarray[] = new int[sarray.length];
            for (int i = 0; i < sarray.length; i++) {
                intarray[i] = Integer.parseInt(sarray[i]);
            }
            return intarray;
        }
        return null;
    }

    public static boolean CargarArchivo(String arch) throws FileNotFoundException, IOException {
        FileInputStream arch1;
        DataInputStream arch2;
        String linea;
        int i = 0;

        if (arch == null) {
            //frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
            JFileChooser fc = new JFileChooser(System.getProperty("user.dir"));
            int rc = fc.showDialog(null, "Select a File");
            if (rc == JFileChooser.APPROVE_OPTION) {
                arch = fc.getSelectedFile().getAbsolutePath();
            } else {
                System.out.println("No hay nombre de archivo..Yo!");
                return false;
            }
        }
        arch1 = new FileInputStream(arch);
        arch2 = new DataInputStream(arch1);
        do {
            linea = arch2.readLine();
            DatosArchivo[i++] = linea;
            /* if (linea != null) {
            System.out.println(linea);
            }*/
        } while (linea != null);
        arch1.close();
        return true;
    }

    public static boolean GuardaArchivo(String arch, String[] Datos) throws FileNotFoundException, IOException {
        FileOutputStream out1;
        DataOutputStream out2;
        int i;
        out1 = new FileOutputStream(arch);
        out2 = new DataOutputStream(out1);

        for (i = 0; i < Datos.length; i++) {
            if (Datos[i] != null) {
                out2.writeBytes(Datos[i] + "\n");
            }
        }
        out2.close();
        return true;
    }

    public static void echo(Object msg) {
        System.out.println(msg);
    }

    public static void main(String[] args) throws IOException, Exception {
        String[] res = new String[10000], num = new String[2];
        int i, j, k, ilong;
        int ele = 1;
       ArrayList al = new ArrayList();
        String FName = "C-small-attempt0",  istr, irev, linea;
        if (CargarArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".in")) {
            for (j = 1; j <= Integer.parseInt(DatosArchivo[0]); j++) {
                linea = DatosArchivo[ele++];
                num = linea.split(" ");
                   al.clear();
                // echo("A: "+num[0]+" B: "+num[1]);
                for (i = Integer.parseInt(num[0]); i <= Integer.parseInt(num[1]); i++) {
                    istr = Integer.toString(i);
                    ilong = istr.length();
                 
                    for (k = 1; k < ilong; k++) {
                        if (ilong > k) {
                            irev = istr.substring(istr.length() - k, istr.length()) + istr.substring(0, istr.length() - k);
                            //echo("caso: " + j + ": isrt: " + istr + " irev: " + irev);
                            if ((Integer.parseInt(irev) > Integer.parseInt(num[0])) && (Integer.parseInt(irev) > Integer.parseInt(istr)) && (Integer.parseInt(irev) <= Integer.parseInt(num[1]))) {
                                al.add("(" + istr + "," + irev + ")");
                            }
                        }
                    }
                }
                HashSet hs = new HashSet();
                hs.addAll(al);
                al.clear();
                al.addAll(hs);
                res[j] = "Case #" + j + ": " + al.size();
                echo(res[j]);
                LeerArchivo.GuardaArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".out", res);
            }
        }
    }
}

import java.io.*;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Comparator;
import java.util.StringTokenizer;

public class C implements Runnable {

    private static final String PROBLEM_ID = "C";

    private class TestCaseRunner {

        int answer(int a, int b) {
            int result = 0;
            for (int i = a; i <= b; i++) {
                int p10 = 1;
                int pI = i;
                while (pI > 0) {
                    pI /= 10;
                    p10 *= 10;
                }
                p10 /= 10;

                int j = i;
                for (;;) {
                    boolean leadingZero = (j % 10) == 0;
                    j = (j / 10) + p10 * (j % 10);
                    if (j == i) {
                        break;
                    }
                    if (i < j && j <= b && !leadingZero){
                        result++;
                        // System.out.println(i + " -> " + j);
                    }
                }
            }
            return result;
        }

        public void handleCase() throws IOException {
            int a = nextInt();
            int b = nextInt();
            out.print(answer(a, b));
        }

    }

    BufferedReader in;
    PrintWriter out;
    StringTokenizer tokenizer = new StringTokenizer("");

    public static void main(String[] args) {
        new Thread(new C()).start();
    }

    public void run() {
        File[] all = new File(".").listFiles();
        Arrays.sort(all, new Comparator<File>() {
            public int compare(File a, File b) {
                return a.getName().toLowerCase().compareTo(b.getName().toLowerCase());
            }
        });

        int processed = 0;
        for (File inFile : all)
            if (inFile.isFile()) {
                String name = inFile.getName().toLowerCase();
                if (name.startsWith(PROBLEM_ID.toLowerCase()) && name.endsWith(".in")) {
                    try {
                        runFile(inFile);
                        processed++;
                    } catch (Throwable t) {
                        throw new IllegalStateException("Fatal error", t);
                    }
                }
            }

        if (processed > 0) {
            System.out.println("Processed " + processed + " files for problem " + PROBLEM_ID);
        } else {
            System.err.println("No input files found for problem " + PROBLEM_ID);
        }
    }

    private void runFile(File inFile) throws IOException {
        in = new BufferedReader(new FileReader(inFile));
        out = new PrintWriter(new FileWriter(inFile.getName() + ".out"));
        long startTime = System.currentTimeMillis();

        System.out.println("Processing file: " + inFile.getName());
        int tc = nextInt();
        for (int p = 0; p < tc; p++) {
            long nowTime = System.currentTimeMillis();
            System.out.print("Running test case #" + (p + 1) + " out of " + tc);
            if (p > 0) {
                System.out.print(" (remaining time: " + remainingTime(p, tc, startTime, nowTime) + ")");
            }
            System.out.println();

            out.print("Case #" + (p + 1) + ": ");
            new TestCaseRunner().handleCase();
            out.println();
        }

        in.close();
        out.close();
    }


    private String remainingTime(int p, int tc, long startTime, long nowTime) {
        double secondsPerTestCase = 1.0e-3 * (nowTime - startTime) / p;
        double secondsRemaining = (tc - p) * secondsPerTestCase;
        double minutesRemaining = secondsRemaining / 60;

        int minutes = (int) Math.floor(minutesRemaining);
        int seconds = (int) Math.round(secondsRemaining - minutes * 60);
        return minutes + " min " + seconds + " sec";
    }

    private String nextToken() throws IOException {
        while (!tokenizer.hasMoreTokens()) {
            String line = in.readLine();
            if (line == null) {
                return null;
            }
            tokenizer = new StringTokenizer(line);
        }
        return tokenizer.nextToken();
    }

    private int nextInt() throws IOException {
        return Integer.parseInt(nextToken());
    }

    private BigInteger nextBigInt() throws IOException {
        return new BigInteger(nextToken());
    }

    private long nextLong() throws IOException {
        return Long.parseLong(nextToken());
    }

    private double nextDouble() throws IOException {
        return Double.parseDouble(nextToken());
    }

}