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: 5768 @ 319 # 2546 @ 5236 # 6529 # 5734 @ 7926
Example Output: 4440

Example Input: 5274 @ 8123 @ 5544 @ 7060 # 1023
Example Output: 24978

Example Input: 368 @ 9423 @ 1106 @ 2868
Example Output:
13765