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: 4089 @ 276 @ 7408 # 9945 @ 4656
Example Output: 6484

Example Input: 2560 @ 144 @ 6785 @ 572 # 5190 @ 1929
Example Output: 6800

Example Input: 8717 # 6101 # 5864 # 2331 @ 4259 # 7866 @ 2303 @ 5291
Example Output:
-1592