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

Input: Consider Input: 5245 # 2258 @ 1333 # 9626 @ 7040 @ 9804

Output: 11538


Input: Consider Input: 8625 @ 3267 # 2323 # 3569

Output: 6000


Input: Consider Input: 9646 # 9392 @ 7231 @ 7510 # 4746 # 2757 # 2536 @ 5415 # 2152


Output: 8219