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: 6960 # 4418 @ 5450 @ 8475
Example Output: 16467

Example Input: 7534 @ 7329 # 2862 # 947 @ 8590 @ 4064
Example Output: 23708

Example Input: 3115 @ 7004 @ 2519 @ 3613 @ 2482 # 5779 # 1216 @ 7253
Example Output:
18991