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: 126 @ 8943 @ 2476 # 7766 @ 2271 # 7213 @ 6602 # 8086 @ 2129
Example Output: -518

Example Input: 6267 @ 3545 @ 4904 @ 4580
Example Output: 19296

Example Input: 3776 # 8250 @ 3401 # 3766 # 6955
Example Output:
-11794