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: 5193 # 9816 # 9875 # 1011 @ 1147 @ 5023
Example Output: -9339

Example Input: 7266 # 2299 # 7480 @ 5114 @ 5787 # 6733 # 4627
Example Output:
-2972