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: 445 # 5783 # 3236 # 9634 # 2299 # 2757 @ 3895 @ 5353 # 5757
Example Output: -19773

Example Input: 3367 # 4567 @ 8786 @ 9643 @ 105 # 6364 @ 9695 # 2387 @ 8798
Example Output: 27076

Example Input: 101 # 5917 @ 1 @ 1993 @ 4817 @ 1903 @ 319 @ 4323 # 5149
Example Output:
2391