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: 9746 # 6804 @ 5800 @ 8118 @ 2515 @ 1083 # 8754
Example Output: 11704

Example Input: 2953 @ 3661 # 3552 @ 7548 @ 6364 # 8172 @ 5031 # 4103
Example Output:
9730