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: 2342 # 5338 @ 345 @ 9010 @ 5234 @ 9613
Example Output: 21206

Example Input: 5992 @ 7637 # 7427 @ 1102 @ 677 @ 9685 @ 6972
Example Output: 24638

Example Input: 8168 # 6473 @ 881 @ 7783 # 5610 # 3740
Example Output:
1009