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: 7775 # 9805 # 8727
Example Output: -10757

Example Input: 2900 # 2740 # 1706 @ 6629
Example Output: 5083

Example Input: 5796 @ 7778 @ 9714 @ 5256 # 5547 # 2702 # 6610 # 2244
Example Output:
11441