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: 5860 @ 3039 # 7874 # 3584 # 144
Example Output: -2703

Example Input: 9074 # 3474 @ 2553 @ 8125 # 7981 # 1438 @ 9668
Example Output: 16527

Example Input: 9694 # 1440 @ 1946 @ 530
Example Output:
10730