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: 2475 # 126 @ 138 # 2303 # 5327 # 6412 # 9849 # 8474 # 6460

Output: -36338


Input: Consider Input: 2984 # 596 # 8941 @ 4235 @ 5264 @ 351 # 3797 @ 7168 # 55

Output: 6613


Input: Consider Input: 5948 @ 203 # 1455 @ 5158 @ 3892 # 6331 @ 2670 # 5381 # 9070


Output: -4366