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: 1365 # 3902 @ 5909

SOLUTION: 3372

PROBLEM: 4071 # 2406 @ 1349 @ 5528 @ 7426 @ 2448 # 1981 # 7844

SOLUTION: 8591

PROBLEM: 5693 # 8582 # 3641 @ 7837 # 4908

SOLUTION:
-3601