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: 9007 @ 6876 # 2672 # 3947 @ 6822 @ 806 @ 4508 @ 5112
Example Output: 26512

Example Input: 5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859
Example Output: -4443

Example Input: 3936 # 9092 @ 7141 @ 2804 @ 425 # 3162 @ 9442 # 9765 # 6499
Example Output:
-4770