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

3935 # 7500 # 205 # 7262 # 5754 @ 116 # 8451 # 9591
-34712

9673 @ 7136 # 4171 # 8296 @ 655
4997

4409 @ 8966 # 7592 @ 7286

13069