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]: 877 # 7761 # 7154 # 4993 # 2712
[EX A]: -21743

[EX Q]: 4688 # 4301 # 9301 # 7246 # 6377 @ 8027 @ 425 @ 3557
[EX A]: -10528

[EX Q]: 8875 @ 4505 @ 70 # 4162 # 1961 # 3331 # 3081 # 3116 @ 6910
[EX A]:
4709