How many positive integers less than 2010 are there such that the sum of factorials of its digits is equal to itself?<spanclass=′latex−bold′>(A)</span>5<spanclass=′latex−bold′>(B)</span>4<spanclass=′latex−bold′>(C)</span>3<spanclass=′latex−bold′>(D)</span>2<spanclass=′latex−bold′>(E)</span>None