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: 4189 # 3579 @ 7275 # 5186 @ 5825 # 3209
Example Output: 5315

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

Example Input: 8861 # 9868 # 7934
Example Output:
-8941