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: 3765 @ 8333 @ 5726
Example Output: 17824

Example Input: 8050 # 8744 @ 5247 # 7761 # 8743
Example Output: -11951

Example Input: 2912 # 3785 @ 6528 @ 6397 @ 825 # 5522
Example Output:
7355