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]: 8899 # 4509 # 9411 # 7373
[EX A]: -12394

[EX Q]: 9551 @ 4169 # 3026 @ 616 # 5398 # 6695 # 5831 # 898 # 1255
[EX A]: -8767

[EX Q]: 1358 # 9004 @ 2805 # 9615 # 6706 @ 3379 # 222
[EX A]:
-18005