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: 5860 @ 3039 # 7874 # 3584 # 144

Output: -2703


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

Output: 6000


Input: Consider Input: 559 # 5695 # 3561 # 7012 @ 2900 # 8510


Output: -21319