How to find Palidrom

import java.io.*;
class pallidrom
{
 public static void main(String args[])
 {
  int a,b,n,sum=0;
  Console con = System.console();
  n = Integer.parseInt(con.readLine());
  b=n;
  while(n!=0)
  {
   a=n%10;
   sum = sum*10+a;
   n=n/10;
  }
  if(b== sum)
   System.out.print(b+"Number is pallidrom");
  else
   System.out.print(sum+"Number is not pallidrom");
 }
}