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: 5245 # 2258 @ 1333 # 9626 @ 7040 @ 9804
Example Output: 11538

Example Input: 8929 # 6145 @ 8551 # 1836 @ 9159
Example Output: 18658

Example Input: 143 @ 8027 # 5874 # 5130 @ 9776 @ 5823 # 5792 # 3122 # 3538
Example Output:
313