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: 7106 # 9524 # 2673 # 4668 @ 6755 # 5653 # 2688 # 9360

Output: -20705


Input: Consider Input: 4400 @ 9261 @ 3016

Output: 16677


Input: Consider Input: 5799 # 7653 # 3519 # 2325 # 6370 # 4557 # 7360 @ 893 @ 200


Output: -24892