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

Example Input: 8129 # 5764 @ 7961 # 2052 @ 6379
Example Output: 14653

Example Input: 6729 # 6577 # 4789 # 6061 # 1189 # 2628 # 6930 @ 3226
Example Output: -18219

Example Input: 2269 # 7857 @ 1906 @ 1098 # 6308 # 1142 @ 2063
Example Output:
-7971