**Question:-**

William planned to choose a four-digit lucky number for his car. His lucky numbers are 3,5 and 7. Help him find the number, whose sum is divisible by 3 or 5 or 7.

Provide a valid car number, Fails to provide a valid input then display that number is not a valid car number.

Note : The input other than 4 digit positive number[includes negative and 0] is considered as invalid.

**Refer the samples, to read and display the data.**

**Sample Input 1:**

Enter the car no:1234

**Sample Output 1:**

Lucky Number

**Sample Input 2:**

Enter the car no:1214

**Sample Output 2:**

Sorry it’s not my lucky number

**Sample Input 3:**

Enter the car no:14

**Sample Output 3:**

14 is not a valid car number

#### Code :-

import java.util.Scanner; public class LuckyNum { public static void main (String[] args) { Scanner sc= new Scanner(System.in); System.out.println("Enter the car no:"); int num=sc.nextInt(); if(num<1000 || num>9999) { System.out.println(num+" is not a valid car number"); } else {int sum=0; while(num>0) { sum+=num%10; num/=10; } if(sum%3==0 || sum%5==0 || sum%7==0) { System.out.println("Lucky Number"); } else { System.out.println("Sorry its not my lucky number"); } } } }

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