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: 1569 # 724 @ 3737 @ 6220 # 1360 # 172 # 1027 # 3566 # 9663
Example Output: -4986

Example Input: 4193 @ 3477 # 3125 @ 6912 @ 2615 @ 9846 @ 9806 # 4965
Example Output: 28759

Example Input: 4331 # 362 # 8646 # 8722 @ 6424 @ 4083 # 579 @ 4561
Example Output:
1090