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 C# (Mono 4.6.2.0) (judge verdict: Accepted)

public class Hello{
    public static void Main(){

        string[] str = System.Console.ReadLine().Split(' ');
        int A = int.Parse(str[0]);
        int B = int.Parse(str[1]);
        int count = 0;
        
        for(int i = A; i <= B; i++){
            string num = i.ToString();
            if(num[0] == num[4] && num[1] == num[3]) count++;
        }
        System.Console.WriteLine(count);
    }
}