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: 9012 @ 4688 # 2482 # 8827 # 2749 # 259 # 8385

SOLUTION: -9002

PROBLEM: 1062 @ 9466 @ 4653

SOLUTION: 15181

PROBLEM: 918 # 3647 # 1050 @ 8856 # 3400 @ 9952 @ 9779

SOLUTION:
21408