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: 2900 # 2740 # 1706 @ 6629

A: 5083
****
Q: 4428 # 2569 @ 338 # 967 @ 2206

A: 3436
****
Q: 8661 # 6301 @ 1133 @ 1068 # 6501 # 9509

A:
-11449
****