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

8643 @ 7199 @ 504 # 8068 # 8187 # 1584 @ 6422
4929

2495 @ 7683 @ 706 @ 5746 @ 7998 @ 5941
30569

8102 # 8751 @ 2221 @ 2184 @ 1564 @ 3629 @ 9987 @ 2840

21776