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: 1731 # 9932 # 4056 # 2303

SOLUTION: -14560

PROBLEM: 473 # 2568 @ 9771 # 2525 @ 3277 @ 261 # 8230 @ 6021

SOLUTION: 6480

PROBLEM: 6942 @ 1857 @ 1508 @ 3059 # 6727

SOLUTION:
6639