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: 9731 # 5427 @ 606 @ 9242 # 5166 @ 659 @ 5124 @ 2482 # 2031
Example Output: 15220

Example Input: 4039 # 2314 # 8257 # 5828 @ 2387 @ 4250 @ 5479 # 991
Example Output: -1235

Example Input: 9564 # 364 # 8180 @ 8225
Example Output:
9245