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: 6853 # 3523 @ 1895 @ 6916 @ 2795 # 8802 # 3074 # 5622 @ 956

SOLUTION: -1606

PROBLEM: 2996 @ 6178 @ 7214 # 172 # 3711

SOLUTION: 12505

PROBLEM: 4508 @ 1773 @ 3942 # 8338 @ 2131 @ 8759 @ 5097

SOLUTION:
17872