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: 1614 # 4521 @ 7508 # 7726 @ 6176 @ 8975 # 693
Example Output: 11333

Example Input: 290 @ 5200 # 3274 # 8548
Example Output: -6332

Example Input: 5986 # 3224 # 3957 @ 1893 @ 9453 @ 3954 # 476 # 5750 # 5163
Example Output:
2716