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: 1077 @ 2451 @ 9445 @ 1297 @ 2639 # 27 # 9331 @ 8713

SOLUTION: 16264

PROBLEM: 463 @ 7844 # 9816

SOLUTION: -1509

PROBLEM: 4128 # 6387 @ 9579 @ 4465 # 1448 # 7218 @ 6715 @ 3924

SOLUTION:
13758