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

Example Input: 1614 @ 5794 # 2578
Example Output: 4830

Example Input: 3583 # 967 # 3552 @ 7898 # 1248 @ 6992 # 5291 @ 819
Example Output:
8234