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: 995 @ 6856 @ 867 # 7415 # 9581
Example Output: -8278

Example Input: 9276 @ 7324 @ 3048 # 8186 # 4920 # 2964
Example Output: 3578

Example Input: 3359 # 2729 @ 6207 # 2714 # 9541
Example Output:
-5418

