import java.util.*;
public class Main{
    public static int reverse(int num){
        int rev = 0;
        while(num!=0){
            rev=rev*num%10;
            num/=10;
            
        }
        return rev;
    }
    public static boolean isPalindrome(int num){
        return num==reverse(num);
        
    }
    public static void main(String args[]){
         Scanner sc = new Scanner(System.in);
         int N = sc.nextInt();
         if(N<0){
             System.out.println("Invalid input");
             return;
         
         int reversed=reverse(N);
         int sum = N+reversed;
         if(isPalindrome(sum)){
             System.out.println(" Oracle Number");
         }
         else{
             System.out.println(" Oracle Number");
         }
    }
    }
}