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: 9012 @ 4688 # 2482 # 8827 # 2749 # 259 # 8385
Example Output: -9002

Example Input: 3303 @ 1775 # 9738 @ 1433 @ 5484 @ 2221
Example Output: 4478

Example Input: 4831 @ 3100 @ 9755 @ 4701 # 1913 # 2930 # 6210
Example Output:
11334