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: 1774 # 6033 # 3757 @ 3570 @ 6463 # 5537

A: -3520
****
Q: 693 # 2562 @ 733 # 3913 @ 310

A: -4739
****
Q: 626 @ 2531 # 1546

A:
1611
****