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: 4899 # 3034 @ 3351 @ 7952 @ 4527 # 2700 # 3143 @ 3642 # 2445
Example Output: 13049

Example Input: 5571 @ 5729 # 6405 # 526 # 1330
Example Output: 3039

Example Input: 3561 @ 8456 @ 613 @ 368
Example Output:
12998