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

Input: Consider Input: 6055 # 1440 # 3272 # 5643 @ 150 @ 7658 # 8655 @ 8463 # 8156

Output: -4840


Input: Consider Input: 4532 @ 5773 @ 2346 @ 6961 # 8280

Output: 11332


Input: Consider Input: 875 @ 1299 # 1721 # 4432 # 7136 # 2468


Output: -13583