Duck Number

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a number: ");
        String s = sc.nextLine();

        boolean isDuck = false;
        for (int i = 1; i < s.length(); i++) {
            if (s.charAt(i) == '0') {
                isDuck = true;
                break;
            }
        }

        if (isDuck && s.charAt(0) != '0') {
            System.out.println(s + " is a Duck Number");
        } else {
            System.out.println(s + " is not a Duck Number");
        }
        sc.close();
    }
}