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: 4867 # 7162 @ 1616 # 596 # 7845 @ 9594 # 3650 @ 6833
Example Output: 3657

Example Input: 2019 @ 3095 @ 5800
Example Output: 10914

Example Input: 3055 # 3062 # 5311
Example Output:
-5318