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: 8158 @ 1325 @ 395 # 4068 @ 4226 @ 7713 @ 8368 # 3297
Example Output: 22820

Example Input: 6110 @ 5036 # 9621 @ 7662 # 3509 # 7697 # 1663 @ 9388
Example Output: 5706

Example Input: 9927 @ 2892 # 8184 # 6067 @ 5320 @ 2451 @ 7960 # 4405
Example Output:
9894