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: 581 # 2278 @ 452 # 5411 # 7564 @ 8148 # 2350 # 8956 # 4877

A: -22255
****
Q: 381 # 4084 # 9377 # 3092

A: -16172
****
Q: 1712 @ 3759 @ 2068 @ 8986 # 5147 # 305 @ 5948 @ 6463 # 3746

A:
19738
****