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: 5662 @ 7781 # 5682 @ 864 @ 6796 @ 2353 @ 1100 # 7566
Example Output: 11308

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

Example Input: 5071 # 1599 @ 6542 # 5710 # 7120 # 243 @ 588 @ 4232 @ 6620
Example Output:
8381