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: 8079 @ 5498 @ 5803 @ 711 # 9604 @ 7533
Example Output: 18020

Example Input: 3839 # 8343 # 3366 @ 9432 @ 4687 @ 2441 # 89
Example Output: 8601

Example Input: 1508 # 4231 @ 843 # 5387 @ 4016 # 4967 # 4792 @ 3925 @ 1406
Example Output:
-7679