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: 3337 @ 9906 @ 9733 # 853 @ 5075 # 2064 @ 9450 # 3886
Example Output: 30698

Example Input: 7775 # 9805 # 8727
Example Output: -10757

Example Input: 8845 @ 6474 @ 7647 @ 4848 # 9839 @ 9923
Example Output:
27898

