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

[EX Q]: 7982 # 9393 @ 981 @ 2884 # 1556 @ 752 # 322 # 3235
[EX A]: -1907

[EX Q]: 2631 @ 2077 # 9705 @ 8746 # 3947 # 632 @ 2758
[EX A]:
1928