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: 9161 # 6658 @ 4795 @ 5621 # 1895 # 3766 # 7738 # 570
Example Output: -1050

Example Input: 7376 @ 9212 @ 1713 # 9993
Example Output: 8308

Example Input: 8595 @ 4087 @ 8423 @ 3260 # 243 @ 559 @ 9109 @ 8338 @ 733
Example Output:
42861