Definition: 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: 2113 # 9339 @ 3752 @ 8710 @ 3541 @ 3240 @ 6148 @ 2019
Output:
20184