How do you write a Program in java to cheak a number is automorphic number?

Java

Source Code ::

import Java.io.*;

class automorphic

{

protected static void main()throws IOException

{

BufferedReader in=new BufferedReader(new InputStreamReader(System.in));

System.out.print("Enter the number: ");

int a=Integer.parseInt(in.readLine()),b=a,c=0,e=a*a;

while(b>0)

{

c++;

b/=10;

}

double d=Math.pow(10,c-1);

if(a==e%d)

System.out.println("Automorphic number!!");

else

System.out.println("Not an Automorphic number!!");

}}