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: 9786 @ 7240 # 8099 @ 100 @ 4573 @ 5982 @ 9270 @ 9911 # 8249
Example Output: 30514

Example Input: 123 # 6452 # 5554 # 9261 @ 6646
Example Output: -14498

Example Input: 5770 @ 8042 # 2248 # 7730
Example Output:
3834