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: 1709 # 2270 # 1077 # 9681

A: -11319
****
Q: 3935 # 7500 # 205 # 7262 # 5754 @ 116 # 8451 # 9591

A: -34712
****
Q: 1922 # 8232 # 7468

A:
-13778
****