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: 1948 @ 7201 @ 611 # 9763 # 2998 # 5097 # 9302 # 3012 # 8272
Example Output: -28684

Example Input: 931 # 5023 @ 6056 # 4419 # 1833 @ 5052 @ 1632 # 2282 @ 9337
Example Output: 9451

Example Input: 5714 # 3610 # 7646
Example Output:
-5542