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: 5031 # 649 # 8975 @ 1853 # 5257 # 1383
Example Output: -9380

Example Input: 1122 @ 3359 @ 4856 # 8802 @ 600 @ 3512 # 4067 @ 6320 @ 711
Example Output: 7611

Example Input: 4195 @ 6940 # 1053 # 4433 @ 1540
Example Output:
7189