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: 2019 @ 3095 @ 5800
Example Output: 10914

Example Input: 7542 @ 5447 # 1409 # 4760 # 6595
Example Output: 225

Example Input: 589 # 1249 # 4504
Example Output:
-5164