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: 2057 # 2330 # 9059 # 2713 # 7404 @ 4349

Output: -15100


Input: Consider Input: 3367 # 4567 @ 8786 @ 9643 @ 105 # 6364 @ 9695 # 2387 @ 8798

Output: 27076


Input: Consider Input: 8879 # 2946 # 9293 @ 3568 @ 4170 @ 2235 @ 3243 @ 4061 # 8858


Output: 5059