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: 9682 @ 9507 # 7565 # 4252
Example Output: 7372

Example Input: 9012 @ 4688 # 2482 # 8827 # 2749 # 259 # 8385
Example Output: -9002

Example Input: 2022 @ 5065 @ 7663 # 3807 @ 5927
Example Output:
16870