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: 2095 # 5428 @ 3055 @ 1752 @ 2919 # 3592 # 7407

SOLUTION: -6606

PROBLEM: 6543 @ 9353 @ 2169 # 4681 @ 6446

SOLUTION: 19830

PROBLEM: 640 # 2534 @ 8069 # 6819 @ 317 # 9009 @ 7022 @ 7116

SOLUTION:
4802