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: 9039 @ 4996 @ 845 # 5409

SOLUTION: 9471

PROBLEM: 1277 # 3822 @ 5064 @ 3615 # 7107 # 5691 @ 1554 # 6525 @ 714

SOLUTION: -10921

PROBLEM: 17 # 8269 # 2721 @ 6902 @ 4821 @ 2145 @ 4022 @ 3048 @ 1371

SOLUTION:
11336