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: 634 # 6766 # 1458 # 4376 @ 9425
Example Output: -2541

Example Input: 48 @ 123 # 2285 # 7310
Example Output:
-9424