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]: 9781 # 2797 # 2134
[EX A]: 4850

[EX Q]: 1077 @ 2451 @ 9445 @ 1297 @ 2639 # 27 # 9331 @ 8713
[EX A]: 16264

[EX Q]: 5146 # 7124 # 1984 @ 8898 # 8787 # 7102 @ 1279 @ 3477 @ 3275
[EX A]:
-2922