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: 5425 @ 6980 # 4301 @ 4410 # 7405 # 552 @ 4556 # 8531 # 4935

SOLUTION: -4353

PROBLEM: 730 @ 7585 # 9902 # 6809 @ 286 @ 9412 @ 9282 # 3941 # 4046

SOLUTION: 2597

PROBLEM: 4867 # 7162 @ 1616 # 596 # 7845 @ 9594 # 3650 @ 6833

SOLUTION:
3657