import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        Main main = new Main();
        int number = console.nextInt();
        System.out.println(main.palindromeNumber(number));
    }

    public Boolean palindromeNumber(int number) {

        //write your code here......
        if (number < 0 || (number % 10 == 0 && number != 0)) {
            return false;
        }
        int reversed = 0;
        while (number > reversed) {
            reversed = reversed * 10 + number % 10;
            number /= 10;
        }
        return number == reversed || number == (reversed / 10);

    }
}