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: 995 @ 6856 @ 867 # 7415 # 9581
Example Output: -8278

Example Input: 4238 # 9059 # 3579 @ 2750 # 6861 # 5756 @ 9729
Example Output: -8538

Example Input: 2821 @ 5327 # 3350 # 3607 @ 7010 @ 6824 # 9975 # 38
Example Output:
5012