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

4494 # 3982 # 3562 @ 341 @ 5494 # 3299 # 7182 # 8494
-16190

4867 # 7162 @ 1616 # 596 # 7845 @ 9594 # 3650 @ 6833
3657

438 # 5356 # 8949 @ 6084 @ 5792 # 3919 # 4502

-10412