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

581 # 2278 @ 452 # 5411 # 7564 @ 8148 # 2350 # 8956 # 4877
-22255

3462 @ 9743 @ 8298
21503

2931 @ 2088 @ 4090 # 4838 # 6154 # 8570 @ 8518 @ 1737

-198