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: 3970 # 8486 # 9402 # 8030 @ 4724 @ 8858
Example Output: -8366

Example Input: 6385 # 7829 @ 2463 @ 3411 # 652 # 5880 # 6454
Example Output: -8556

Example Input: 1432 @ 9331 @ 9795 @ 3359 @ 5701 @ 8228 @ 3273 # 6844
Example Output:
34275