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: 2065 @ 2103 @ 1800
Example Output: 5968

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

Example Input: 9678 # 9015 # 9291 @ 921 # 1428 # 9279 # 8528 # 9468 @ 8103
Example Output:
-28307

