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: 4616 @ 2249 # 272 @ 618 # 4242 @ 6599 @ 8683 @ 1628 # 7090
Example Output: 12789

Example Input: 4767 # 4944 # 4202 @ 2582
Example Output: -1797

Example Input: 3269 @ 7492 @ 3179 @ 9569 @ 2377 # 2566 # 1612 @ 7463
Example Output:
29171