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: 5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948

A: 30305
****
Q: 9817 @ 5042 # 1724 @ 799 @ 685

A: 14619
****
Q: 9450 # 3370 @ 3335 # 4061 @ 1187 # 2697

A:
3844
****