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: 9546 @ 5515 @ 6740 # 2069 # 921 # 9110 # 5067 # 3917 # 6434
Example Output: -5717

Example Input: 5106 # 7620 @ 843 @ 7598
Example Output:
5927