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: 5885 @ 6086 # 2828 # 305 # 6536

Output: 2302


Input: Consider Input: 3276 # 8656 # 2580 @ 7528 @ 344 @ 6066 # 9323 # 6974 # 6635

Output: -16954


Input: Consider Input: 8505 @ 8081 # 7967 # 3855 # 8553 # 8845 # 4243 # 4279


Output: -21156


