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: 5245 # 2258 @ 1333 # 9626 @ 7040 @ 9804
Example Output: 11538

Example Input: 8524 # 5976 # 1534 @ 266 # 6452 @ 3945 # 2305
Example Output: -3532

Example Input: 4053 @ 7130 # 3651 # 2070 @ 6640 # 6501 # 1511
Example Output:
4090