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: 2307 # 9363 @ 4926 @ 5635

SOLUTION: 3505

PROBLEM: 2339 @ 2821 # 2234 @ 1271 @ 471

SOLUTION: 4668

PROBLEM: 9143 @ 5112 # 5552 # 1615

SOLUTION:
7088