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: 9012 @ 4688 # 2482 # 8827 # 2749 # 259 # 8385
Example Output: -9002

Example Input: 9285 # 5492 @ 6629 # 5477 @ 5969 # 8754
Example Output: 2160

Example Input: 4274 # 4385 # 2316 # 7783
Example Output:
-10210

