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: 610 # 7967 # 8700 # 5966 @ 4310 @ 9963 # 8525
Example Output: -16275

Example Input: 7252 # 8553 # 4853 @ 6748 # 3750
Example Output: -3156

Example Input: 5331 # 5004 @ 4821 @ 9023 @ 2624 # 7388 @ 6189 # 1391
Example Output:
14205