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: 4688 # 4301 # 9301 # 7246 # 6377 @ 8027 @ 425 @ 3557

A: -10528
****
Q: 2560 @ 144 @ 6785 @ 572 # 5190 @ 1929

A: 6800
****
Q: 6181 @ 1214 @ 3376 # 2711 @ 1537

A:
9597
****