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: 1948 @ 7201 @ 611 # 9763 # 2998 # 5097 # 9302 # 3012 # 8272
Example Output: -28684

Example Input: 9813 @ 7584 @ 8993 # 5551 @ 5142 # 9828 @ 1454 # 2575
Example Output:
15032