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: 2932 # 4372 # 9818 # 101 # 5357 # 8354 @ 7479
Example Output: -17591

Example Input: 1864 @ 5416 @ 9408 @ 9513
Example Output: 26201

Example Input: 4290 # 4119 @ 8067 # 8217 @ 6730 # 6268 @ 4210 # 9243 @ 2886
Example Output:
-1664