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.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner cin = new Scanner(System.in);
        int A = cin.nextInt();
        int B = cin.nextInt();
        int cnt = 0;
        for (int i = A; i <= B; i++) {
            int n = i;
            int a = n % 10; n /= 10;
            int b = n % 10; n /= 10;
            n /= 10;
            int d = n % 10; n /= 10;
            int e = n % 10;

            if (a == e && b == d) {
                cnt++;
            }
        }

        System.out.println(cnt);
    }
}