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: 2994 # 4380 @ 6720

A: 5334
****
Q: 6744 # 8579 # 1271 @ 9372 @ 5898

A: 12164
****
Q: 2831 @ 414 # 5946 # 1344 # 3571

A:
-7616
****