package jp.funnything.competition.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;

import org.apache.commons.io.IOUtils;

public class QuestionReader {
    private final BufferedReader _reader;

    public QuestionReader( final File input ) {
        try {
            _reader = new BufferedReader( new FileReader( input ) );
        } catch ( final FileNotFoundException e ) {
            throw new RuntimeException( e );
        }
    }

    public void close() {
        IOUtils.closeQuietly( _reader );
    }

    public String read() {
        try {
            return _reader.readLine();
        } catch ( final IOException e ) {
            throw new RuntimeException( e );
        }
    }

    public BigDecimal[] readBigDecimals() {
        return readBigDecimals( " " );
    }

    public BigDecimal[] readBigDecimals( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigDecimal[] values = new BigDecimal[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigDecimal( tokens[ index ] );
        }

        return values;
    }

    public BigInteger[] readBigInts() {
        return readBigInts( " " );
    }

    public BigInteger[] readBigInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigInteger[] values = new BigInteger[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigInteger( tokens[ index ] );
        }

        return values;
    }

    public int readInt() {
        final int[] values = readInts();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public int[] readInts() {
        return readInts( " " );
    }

    public int[] readInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final int[] values = new int[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Integer.parseInt( tokens[ index ] );
        }

        return values;
    }

    public long readLong() {
        final long[] values = readLongs();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public long[] readLongs() {
        return readLongs( " " );
    }

    public long[] readLongs( final String separator ) {
        final String[] tokens = readTokens( separator );

        final long[] values = new long[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Long.parseLong( tokens[ index ] );
        }

        return values;
    }

    public String[] readTokens() {
        return readTokens( " " );
    }

    public String[] readTokens( final String separator ) {
        return read().split( separator );
    }
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

public class RecycledNumbers {

	public static FileReader fileReader;
	public static BufferedReader reader;
	public static FileWriter fileWriter;
	public static BufferedWriter writer;

	public void executeLogic() throws Exception {

		String newLine;

		newLine = reader.readLine();
		int increment = 1;

		while ((newLine = reader.readLine()) != null) {
			int totalNumberCount = 0;
			String stringToArray[] = newLine.split("\\s");
			int A = Integer.parseInt(stringToArray[0]);
			int B = Integer.parseInt(stringToArray[1]);

			for (int i = A; i <= B; i++) {
				int n = i;
				String stringValueOfA = Integer.toString(n);
				int numberOfDigitsInA = stringValueOfA.length();
				int backIndex = numberOfDigitsInA - 1;
				String tempStringValueOfA = stringValueOfA;
				while (backIndex > 0) {

					String first = tempStringValueOfA.substring(0, backIndex);
					String second = tempStringValueOfA.substring(backIndex,
							numberOfDigitsInA);
					stringValueOfA = second + first;
					int m = Integer.parseInt(stringValueOfA);
					if ((m <= B && m > n)
							&& !stringValueOfA.startsWith("0")
							&& (Integer.toString(n).length()) == stringValueOfA
									.length())
						totalNumberCount++;

					backIndex--;

				}
			}

			writer.write("Case #" + increment++ + ": " + totalNumberCount
					+ "\n");

		}
		writer.close();
		fileWriter.close();

	}

	public static void main(String[] args) throws Exception

	{
		RecycledNumbers recycledNumbers = new RecycledNumbers();

		String inputFilePath = "C:\\CodeJamFiles\\Small2.in";
		String outputFilePath = "C:\\CodeJamFiles\\Small2.out";

		fileReader = new FileReader(inputFilePath);
		reader = new BufferedReader(fileReader);
		fileWriter = new FileWriter(outputFilePath, false);
		writer = new BufferedWriter(fileWriter);

		recycledNumbers.executeLogic();

	}

}
