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: 8842 @ 3530 @ 7537
Example Output: 19909

Example Input: 826 # 6501 # 223 @ 9761 # 8863
Example Output: -5000

Example Input: 381 @ 519 # 8029 # 3421 @ 5353 # 9321 # 5520 # 2050 # 551
Example Output:
-22639

