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: 5110 # 9803 @ 2485 # 1678
Example Output: -3886

Example Input: 3347 # 2950 @ 6671 @ 4670 # 7283
Example Output: 4455

Example Input: 66 # 9494 # 1660 @ 4948 # 6028 @ 3493
Example Output:
-8675