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: 8915 @ 8709 # 6716 @ 4326
Example Output: 15234

Example Input: 4820 @ 4540 @ 3290 # 4605 @ 336 @ 5924 @ 6253 @ 98
Example Output:
20656