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: 8571 # 5985 @ 8912
Example Output: 11498

Example Input: 1477 @ 6645 @ 6272 # 3080
Example Output: 11314

Example Input: 1737 # 8447 # 9618 # 4717 @ 3750 # 1576 @ 5191 @ 5785
Example Output:
-7895