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: 331 # 9967 @ 21 @ 480 # 3926 @ 8770 @ 5909 @ 6288 # 1226

A: 6680
****
Q: 1569 # 724 @ 3737 @ 6220 # 1360 # 172 # 1027 # 3566 # 9663

A: -4986
****
Q: 665 @ 5377 @ 6479

A:
12521
****