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: 1327 # 8233 # 8048 # 194 @ 2192 @ 1877 # 3427 # 3364 # 6008
Example Output: -23878

Example Input: 634 # 6766 # 1458 # 4376 @ 9425
Example Output: -2541

Example Input: 5941 # 9684 @ 7038 # 9218 @ 5409 # 3525 @ 6143
Example Output:
2104