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: 7347 # 9135 # 9303 @ 1078 # 3054 @ 4217 @ 4075

Output: -4775

Input: Consider Input: 4844 # 7776 # 6204 # 1027 # 4447 # 7998 # 6045 @ 8611 @ 2765

Output: -17277

Input: Consider Input: 107 @ 2123 # 7352 # 3633 # 2414 @ 9566 # 6266
Output: -7869