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]: 7773 @ 3264 # 8041 @ 4068 # 5476 # 5946 # 8987 # 7719
[EX A]: -21064

[EX Q]: 486 # 3873 # 1187
[EX A]: -4574

[EX Q]: 8787 @ 9155 @ 383 # 2821 # 8683
[EX A]:
6821