Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Necklaces require polishing the jewels. Operationally, all jewels of the same colour can be polished in one sitting.
Damjibhai and Shamjibhai are two jeweler friends. They decide to play a simple game. The game comprises of removing the jewels for polishing, turn by turn. Once a jewel is removed from the necklace, all other jewels of the same colour are assumed to be removed for polishing from the necklace. The player who polished the most jewels, wins. Damjibhai being more senior, always gets a chance to play first (remove jewel from necklace first). If both players play optimally, find out if Damjibhai can win. The following are the rules of their game
Jewels can only be removed for polishing from either end of the necklace (i.e. head or tail)
Once a jewel type is removed from the necklace, all other instances of the same jewel typ