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: 2065 @ 3769 @ 9915 # 6270 @ 3929 @ 5328 @ 6079 @ 5250 @ 843
Example Output: 30908

Example Input: 7769 @ 9568 @ 388 # 5101 # 8590 # 9063 # 5298 @ 7728
Example Output: -2599

Example Input: 9813 # 4290 @ 9583 # 3114 # 7054 # 3487 # 2469
Example Output:
-1018