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: 9852 # 24 # 2468 @ 5798 @ 6384
Example Output: 19542

Example Input: 7982 # 9393 @ 981 @ 2884 # 1556 @ 752 # 322 # 3235
Example Output: -1907

Example Input: 6123 # 2890 @ 3404 @ 1798 # 7525 # 2050 @ 7027 # 2090 # 4541
Example Output:
-744