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: 4100 @ 4500 @ 5166 @ 7442 @ 3258
Example Output: 24466

Example Input: 7539 # 9710 # 800 # 5609
Example Output: -8580

Example Input: 249 @ 5697 @ 5245 # 9362 @ 6191 # 2685 @ 9552
Example Output:
14887