Problem:
Score : 200 points

Problem Statement

Find the number of palindromic numbers among the integers between A and B (inclusive).
Here, a palindromic number is a positive integer whose string representation in base 10 (without leading zeros) reads the same forward and backward.

Constraints

10000 \leq A \leq B \leq 99999

All input values are integers.

Input

Input is given from Standard Input in the following format:

A B

Output

Print the number of palindromic numbers among the integers between A and B (inclusive).

Sample Input 1

11009 11332

Sample Output 1

4

There are four integers that satisfy the conditions: 11011, 11111, 11211 and 11311.

Sample Input 2

31415 92653

Sample Output 2

612

Solution in Java8 (OpenJDK 1.8.0) (judge verdict: Accepted)

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

public class Main {

    Scanner sc = new Scanner(System.in);

    PrintWriter out = new PrintWriter(System.out);

    public static void main(String[] args) {
        new Main().run();
    }

    void run() {

        int cnt = 0;

        String a = sc.next();
        String b = sc.next();

        int tmpA = Integer.parseInt(a);
        int tmpB = Integer.parseInt(b);

        for (int i=tmpA; i<=tmpB; i++) {
            String str = String.valueOf(i);
            StringBuffer sb = new StringBuffer(str);
            String afterS = sb.reverse().toString();
            if (str.equals(afterS)) cnt++;
        }

        out.print(cnt);
        out.flush();
    }
}