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: 4767 # 4944 # 4202 @ 2582
Example Output: -1797

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

Example Input: 5885 @ 6086 # 2828 # 305 # 6536
Example Output:
2302

