There were some pieces of candy in a bowl. Eddie took 1 more than half of the pieces of candy. Then Ivy took 2 less than half of the pieces left in the bowl. Next, Nini took 3 more than half of the remaining pieces. After that, Ken took 1 less than half of the remaining pieces of candy. In the end, there were 3 pieces of candy in the bowl. How many pieces of candy were in the bowl at the beginning? 
Overseas Competition->Knowledge Point->Word Problem Modules->Inverse Operation Problems