Write a program to input a number and check whether it is Beast Number or not? (a number contain 666 in the last)

21)  Write a program to input a number and check whether it is Beast Number or not? (a   number contain 666 in the last)

import java.util.*;

public class Beast_number_5

{

   public static void main(String args[ ])

    {

        Scanner sc = new Scanner (System.in);

        System.out.println("Enter a number");

        int a = sc.nextInt();

        int m = a%1000;

        if(m==666)

        {

            System.out.println("Entered number is a BEAST number");

        }

        else

        {

            System.out.println("Entered number is not a BEAST number");

        }

    }

}