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: 4368 # 7312 @ 7468 # 4833 # 1476 # 42
Example Output: -1827

Example Input: 7757 # 4475 @ 6447 # 2209 # 9966
Example Output: -2446

Example Input: 2994 # 4380 @ 6720
Example Output:
5334