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: 3276 # 8656 # 2580 @ 7528 @ 344 @ 6066 # 9323 # 6974 # 6635

A: -16954
****
Q: 8660 # 1215 # 7902 @ 8980

A:
8523
****