In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer

Input: Consider Input: 8625 # 2240 # 8544 @ 9905 @ 7588 @ 9161 @ 3204 @ 4214 # 1175

Output: 30738


Input: Consider Input: 9776 # 6717 # 9329 @ 6055 # 8635 @ 6132 @ 3374

Output: 656


Input: Consider Input: 2721 @ 5538 # 2981 @ 3895 # 3249 # 1343 # 9619


Output: -5038