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: 8137 @ 5006 # 7743 @ 1478

A: 6878
****
Q: 540 @ 8823 @ 1244 # 1696 # 889 # 6035 # 5113 @ 2513

A: -613
****
Q: 5722 # 1840 @ 2493 # 4253 # 1401 @ 511 # 1469 @ 3396

A:
3159
****