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: 9942 @ 4126 @ 294 @ 6323 @ 9325 # 2366 # 3185 @ 8413 @ 6924

Output: 39796


Input: Consider Input: 5088 # 9353 # 2772 @ 3908 @ 9196 @ 4709

Output: 10776


Input: Consider Input: 138 @ 3973 # 6085 # 3324 @ 6921 @ 4411 @ 1113 @ 8310


Output: 15457