TASK DEFINITION: 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
PROBLEM: 995 @ 6856 @ 867 # 7415 # 9581

SOLUTION: -8278

PROBLEM: 2307 # 9363 @ 4926 @ 5635

SOLUTION: 3505

PROBLEM: 7039 # 9290 @ 5017

SOLUTION:
2766