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: 2495 @ 7683 @ 706 @ 5746 @ 7998 @ 5941
Example Output: 30569

Example Input: 7033 # 1867 @ 9490 @ 3176 @ 5172 @ 37 @ 9449
Example Output:
32490