An Evil Affair

Hansel and Gretel are made to play a not-so-sinister game under the influence of the evil witch's dark magic. The rules are as follows: 1. There are 'n' blocks at the beginning. 2. Each block is composed of a certain amount of chocolates. 3. Hansel initiates and then they take turns alternately at playing the game. 4. In every turn, the player can choose any block and break it into two unequal