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: 5193 # 9816 # 9875 # 1011 @ 1147 @ 5023

SOLUTION: -9339

PROBLEM: 5507 @ 4243 @ 5897 @ 7115 # 6687 @ 3875 # 298 @ 1379 @ 1973

SOLUTION: 23004

PROBLEM: 1905 @ 1015 @ 6445 # 2830

SOLUTION:
6535