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: 7178 # 2086 # 1606 @ 4624 @ 4559 # 4855
Example Output: 7814

Example Input: 6942 @ 1857 @ 1508 @ 3059 # 6727
Example Output: 6639

Example Input: 5256 @ 2983 # 3791 @ 9841
Example Output:
14289