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

Example Input: 4945 # 9916 # 656 @ 6515 # 5000 @ 6599 # 9652
Example Output: -7165

Example Input: 5986 # 3224 # 3957 @ 1893 @ 9453 @ 3954 # 476 # 5750 # 5163
Example Output: 2716

Example Input: 6006 @ 9542 # 7668 # 6354 # 2053 @ 4257
Example Output:
3730