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: 5610 # 3034 @ 9312 @ 7337 @ 2731 @ 8581 @ 5926 # 2102 @ 2137

Output: 36498


Input: Consider Input: 7178 # 2086 # 1606 @ 4624 @ 4559 # 4855

Output: 7814


Input: Consider Input: 7934 @ 9296 @ 4512 @ 6875 @ 3005


Output: 31622