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: 5010 # 2117 @ 6121 # 6244 @ 1089 @ 5871
Example Output: 9730

Example Input: 1365 # 3902 @ 5909
Example Output: 3372

Example Input: 6824 # 5624 @ 6553 @ 6813 # 8309 @ 5033 # 4433 @ 9958 # 2993
Example Output:
13822