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

[EX Q]: 3438 # 3865 # 956 # 3020 @ 2696
[EX A]: -1707

[EX Q]: 3970 # 8486 # 9402 # 8030 @ 4724 @ 8858
[EX A]: -8366

[EX Q]: 735 @ 7682 # 2492 # 7149 @ 7531 @ 4967 @ 3646 @ 6439
[EX A]:
21359