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: 6514 # 8296 # 4939 # 5783 @ 1077 @ 3237 @ 5941 # 7665 # 2408
Example Output: -12322

Example Input: 5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859
Example Output: -4443

Example Input: 800 # 3022 # 9936 @ 7544
Example Output:
-4614