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: 8053 # 8275 @ 3672 # 7233 @ 8748 # 1270 # 6997 # 7566 @ 5689
Example Output: -5179

Example Input: 9485 # 431 # 9460 @ 9760 # 5105 # 1326 @ 7522 # 8742 @ 6785
Example Output:
8488