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: 3556 # 1722 @ 9362 # 7616 # 7893
Example Output: -4313

Example Input: 4364 # 2781 # 7674 # 4801 @ 898 @ 7562 @ 5925 @ 648 @ 7768
Example Output: 11909

Example Input: 5954 # 8272 # 9178 # 9005 @ 8639
Example Output:
-11862