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: 64 # 5994 @ 8659 # 885

SOLUTION: 1844

PROBLEM: 605 @ 9301 @ 640 # 9148 # 8015

SOLUTION: -6617

PROBLEM: 417 @ 1727 @ 8325

SOLUTION:
10469