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: 5010 # 2117 @ 6121 # 6244 @ 1089 @ 5871

Output: 9730

Input: Consider Input: 6484 # 6042 @ 239 # 5161 # 7940 @ 2882 @ 8393 # 311 @ 6933

Output: 5477

Input: Consider Input: 8497 @ 9683 # 1832 # 8450 @ 8650 # 640 @ 5090 @ 8381
Output: 29379