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]: 6277 # 2029 # 4158 @ 5412 # 6845 # 6694 @ 5432
[EX A]: -2605

[EX Q]: 2989 # 6833 # 4298 @ 8863 # 8408
[EX A]: -7687

[EX Q]: 2258 # 370 @ 2205 @ 2274
[EX A]:
6367