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: 9913 # 5573 @ 4921 # 723 # 9487 # 754 # 1667 @ 5543 @ 6626
Example Output: 8799

Example Input: 9582 @ 3554 @ 1044 @ 880 # 6787 # 6161
Example Output: 2112

Example Input: 2043 @ 4217 # 975 # 3379 # 8669 # 2865 @ 8705 @ 4701 # 523
Example Output:
3255