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

2653 @ 9718 # 3237 @ 2973 # 6895 # 18
5194

331 # 9967 @ 21 @ 480 # 3926 @ 8770 @ 5909 @ 6288 # 1226
6680

1928 # 8869 @ 937 @ 6209 @ 5391 # 5357 @ 6743

6982