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

9056 @ 9894 # 9773 # 4508 # 5642
-973

2787 @ 3800 # 142 # 7750 # 8581 @ 5447 @ 1512 @ 6550
3623

6243 # 5284 @ 7457 # 7070 # 5492 # 4288 # 8877

-17311