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: 730 @ 7585 # 9902 # 6809 @ 286 @ 9412 @ 9282 # 3941 # 4046
Example Output: 2597

Example Input: 381 # 4084 # 9377 # 3092
Example Output: -16172

Example Input: 8696 # 7743 @ 2563 # 1810 # 7361 @ 3672 # 6739
Example Output:
-8722