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: 7775 # 9805 # 8727
Example Output: -10757

Example Input: 3164 # 160 @ 1567 # 8453 # 9293 @ 9371
Example Output: -3804

Example Input: 2482 @ 4030 # 4666 @ 5434 @ 8830 # 1801
Example Output:
14309

