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: 2027 # 965 # 9916 @ 7199 @ 844 @ 9780

SOLUTION: 8969

PROBLEM: 9746 # 6804 @ 5800 @ 8118 @ 2515 @ 1083 # 8754

SOLUTION: 11704

PROBLEM: 3593 @ 5412 # 5799 @ 2268 @ 1206 # 2695 @ 5390 @ 2734

SOLUTION:
12109