duck number

 import java.util.Scanner;
public class DuckNUMBER {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int num = sc.nextInt();
        int rev = 0;
        int count = 0;
        int count2 = 0;
        for (int i = 1; i <= num; i++) {
            int num2 = num % i;
            if (num2 == 0) {
                count++;
            }
        }
        if (count == 2) {
            while (num != 0) {
                int num3 = num % 10;
                rev = rev * 10 + num3;
                num = num / 10;
            }
            System.out.println(+rev);
            for (int i = 1; i <= rev; i++) {
                int num4 = rev % i;
                if (rev % i == 0) {
                    count2++;
                }
            }
            if (count2 == 2) {
                System.out.println(+rev + " : " + "is a twisted prime");
            }
        }
    }
}