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:
5177 @ 9496 # 845 @ 5246 @ 9906 @ 5654 @ 1721 @ 5303

Ex Output:
41658

Ex Input:
5837 # 1015 # 4725

Ex Output:
97

Ex Input:
6587 @ 1017 @ 4739 # 4674 @ 190 @ 2050 # 2383

Ex Output:
7526