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: 722 # 9533 @ 3199 @ 4825 @ 817

SOLUTION: 30

PROBLEM: 6557 @ 9368 # 307 @ 2982 # 8398 # 9241 # 4697 # 6790

SOLUTION: -10526

PROBLEM: 2490 # 7562 # 61 # 3040 @ 4843 # 852

SOLUTION:
-4182