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: 5860 @ 3039 # 7874 # 3584 # 144

Output: -2703


Input: Consider Input: 2900 # 2740 # 1706 @ 6629

Output: 5083


Input: Consider Input: 8907 # 9980 # 9701 @ 4740 # 7991 @ 4069


Output: -9956


