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: 2495 @ 7683 @ 706 @ 5746 @ 7998 @ 5941
Example Output: 30569

Example Input: 540 @ 8823 @ 1244 # 1696 # 889 # 6035 # 5113 @ 2513
Example Output: -613

Example Input: 7679 # 4256 # 9515
Example Output:
-6092