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: 4326 # 2636 @ 9431 # 1021 # 6603 # 2905 # 80 # 7174 # 3558

SOLUTION: -10220

PROBLEM: 8643 @ 7199 @ 504 # 8068 # 8187 # 1584 @ 6422

SOLUTION: 4929

PROBLEM: 9123 # 9036 @ 6108 @ 3019 @ 6542

SOLUTION:
15756