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: 8915 @ 8709 # 6716 @ 4326
Example Output: 15234

Example Input: 457 # 1500 # 8289 @ 9139 # 8830 @ 4555 # 2052 # 6406
Example Output:
-12926