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

Example Input: 4400 @ 9261 @ 3016
Example Output: 16677

Example Input: 9549 @ 21 # 6714 # 2406 # 2527 # 8527 @ 1769
Example Output:
-8835