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

7775 @ 8190 # 2579 @ 1003
14389

353 # 799 @ 4824 # 3212 @ 1811 @ 752
3729

9055 @ 6978 @ 81 # 715

15399