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: 1040 # 6682 @ 4286 # 1132 # 705 @ 4048 # 9240

Output: -8385


Input: Consider Input: 1112 # 4567 @ 2229


Output: -1226


