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: 580 @ 9980 # 4059 # 4694 @ 8096 # 3324
Example Output: 6579

Example Input: 2416 @ 4557 @ 9089 @ 8858
Example Output: 24920

Example Input: 6682 @ 12 # 426 @ 6254 # 5495 @ 2499 # 1435
Example Output:
8091