Give the one line code to tell the given number is power of '2' or not.

The "C" code snippet is here:

  int main()
  {
       int num;

      printf("Enter a number other than Zero \n");
      scanf("%d", &num);

      num&(num-1)?printf("Not a Power of 2 \n"):printf("Power of 2 \n"); 

      return 0;
  }