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: 1086 # 7477 # 9664 @ 5904 # 8033 # 5563

A: -23747
****
Q: 5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948

A: 30305
****
Q: 8725 @ 9149 @ 1867 # 7788 @ 2944

A:
14897
****