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: 3970 # 8486 # 9402 # 8030 @ 4724 @ 8858

SOLUTION: -8366

PROBLEM: 9741 # 8583 @ 2183 # 5623 @ 4144 # 4064 @ 3416 @ 9350 @ 4931

SOLUTION: 15495

PROBLEM: 353 # 9525 @ 9923 @ 4025 # 1922 @ 4751

SOLUTION:
7605