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: 4844 # 7776 # 6204 # 1027 # 4447 # 7998 # 6045 @ 8611 @ 2765

Output: -17277


Input: Consider Input: 1131 @ 2823 # 1847 @ 6137 @ 7300 @ 27

Output: 15571


Input: Consider Input: 9800 @ 2090 # 6665 # 8015 # 2270


Output: -5060