Instructions: 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: 3071 # 5299 @ 206 @ 3214 @ 6040 @ 5785 # 6760 # 8070
Output:
-1813