class Solution {

 public:

     /**

      * @param n the integer to be reversed

      * @return the reversed integer

      */

     int reverseInteger(int n) {

         long long res = ;

         while (n) {

             res =  * res + n % ;

             n /= ;

         }

         return (res < INT_MIN || res > INT_MAX) ?  : res;

     }

 };