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: 3438 # 3865 # 956 # 3020 @ 2696

A: -1707
****
Q: 4130 @ 6495 # 3973

A: 6652
****
Q: 1044 # 7306 # 1283 # 6240 # 134 @ 7429 @ 5685

A:
-805
****