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: 1188 @ 3127 @ 964 # 79 # 4554 @ 4344 @ 8024

Output: 13014


Input: Consider Input: 1294 # 4752 # 8113 @ 9201 @ 8582 # 7189 @ 2849

Output: 1872


Input: Consider Input: 6202 # 1055 # 6330 @ 6264 @ 751 # 8231


Output: -2399