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

Input: Consider Input: 4101 @ 2536 # 502

Output: 6135

Input: Consider Input: 4364 @ 4363 # 5655 @ 5991 @ 3879 @ 2303 # 3321 @ 8300 @ 6059

Output: 26283

Input: Consider Input: 56 @ 6370 @ 5891 # 594 @ 3463 # 7737 # 9632 @ 2401
Output: 218