You will be given a definition of a task first, then some input of the task.
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

6991 # 4797 @ 7959 @ 3966 @ 6390 @ 370 @ 4745 @ 9799 @ 5863
Output:
41286