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){
int temp=number,reverse=0;
while(temp > 0){
reverse = reverse * 10 + temp % 10;
temp /= 10;
}
return reverse == number;
}
}