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

Ex Input:
1380 @ 6582 # 4036

Ex Output:
3926


Ex Input:
120 # 2644 @ 4589

Ex Output:
2065


Ex Input:
9383 @ 2568 @ 4811 # 6286 @ 3024

Ex Output:

13500


