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: 9913 # 5573 @ 4921 # 723 # 9487 # 754 # 1667 @ 5543 @ 6626

A: 8799
****
Q: 6203 # 8978 # 1139 @ 240 # 4716

A: -8390
****
Q: 7946 # 847 # 6657 # 3818 @ 3627 # 8634

A:
-8383
****