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: 3249 @ 313 @ 7029 @ 5721 @ 7626
Example Output: 23938

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

Example Input: 5308 # 1420 @ 6884 # 5537 # 2330 # 3854 @ 3006
Example Output:
2057