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

[Q]: 720 # 1309 @ 989 @ 1211 # 5749 # 7 @ 3147 # 9792 # 1243
[A]: -12033


[Q]: 5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859
[A]: -4443


[Q]: 5024 @ 1778 # 3202 @ 2547 @ 70 @ 4047 # 3778
[A]:
6486