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]: 3615 @ 7429 @ 6810 # 207 @ 1232 # 5621 @ 6745
[EX A]: 20003

[EX Q]: 7894 @ 7649 # 4792
[EX A]: 10751

[EX Q]: 621 @ 1302 # 4116
[EX A]:
-2193