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: 634 # 6766 # 1458 # 4376 @ 9425

A: -2541
****
Q: 549 @ 2405 # 8368 @ 806 @ 5639

A: 1031
****
Q: 4988 @ 343 @ 5875 # 2653 # 1902 # 6888 # 809 @ 4979

A:
3933
****