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: 6896 @ 8548 @ 1670 @ 7550 # 921
Example Output: 23743

Example Input: 6732 @ 5690 # 2448 @ 1752 @ 7805 # 1629 # 9280
Example Output: 8622

Example Input: 3323 @ 4548 @ 3369 @ 7072 @ 6679 @ 2050
Example Output:
27041