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: 4368 # 7312 @ 7468 # 4833 # 1476 # 42
Example Output: -1827

Example Input: 4565 @ 7065 # 5397
Example Output: 6233

Example Input: 395 # 6676 # 4641 # 4079 @ 8885 @ 8630 # 7810 @ 3589
Example Output:
-1707