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: 5425 @ 6980 # 4301 @ 4410 # 7405 # 552 @ 4556 # 8531 # 4935
Example Output: -4353

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

Example Input: 3066 # 1492 @ 6758 # 5277 # 1329 @ 3144 @ 2516
Example Output:
7386