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: 5640 @ 148 @ 7578 # 2373 # 3438 @ 4775 # 8187

A: 4143
****
Q: 4264 # 4438 @ 3871 @ 7585 # 540 # 3455 # 6016

A: 1271
****
Q: 9791 @ 9105 # 9468 @ 2582 # 2976 @ 1257 # 7336 # 1662

A:
1293
****