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: 2738 # 5562 @ 4529 @ 5438 @ 1799

Output: 8942

Input: Consider Input: 9731 # 5427 @ 606 @ 9242 # 5166 @ 659 @ 5124 @ 2482 # 2031

Output: 15220

Input: Consider Input: 358 # 3400 @ 1145 # 1239 @ 2838 @ 1489
Output: 1191