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

1021 # 2896 # 8239 # 5207 # 1962 # 5346
-22629

2027 # 965 # 9916 @ 7199 @ 844 @ 9780
8969

6967 # 9464 # 4385 @ 2268 @ 4096 # 2940 @ 4369 @ 1670 # 1668

913